diff --git a/.gitignore b/.gitignore
index 1eb768ab0..3c7c45076 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,7 @@ video.mp4
 cache/
 __pycache__/
 disablesignups
-*rules.html
\ No newline at end of file
+*rules.html
+.idea/
+**/.pytest_cache/
+venv/
diff --git a/docker-compose.yml b/docker-compose.yml
index 7b5e63f39..28788954e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,66 +2,66 @@ version: '2.3'
 
 services:
   files:
-	build:
-	  context: .
-	volumes:
-	  - "./:/service"
-	environment:
-	  - DATABASE_URL=postgresql://postgres@postgres:5432/postgres
-	  - MASTER_KEY=${MASTER_KEY:-KTVciAUQFpFh2WdJ/oiHJlxl6FvzRZp8kYzAAv3l2OA=}
-	  - REDIS_URL=redis://redis
-	  - DOMAIN=localhost
-	  - SITE_NAME=Drama
-	  - GIPHY_KEY=3435tdfsdudebussylmaoxxt43
-	  - FORCE_HTTPS=0
-	  - DISCORD_SERVER_ID=3435tdfsdudebussylmaoxxt43
-	  - DISCORD_CLIENT_ID=3435tdfsdudebussylmaoxxt43
-	  - DISCORD_CLIENT_SECRET=3435tdfsdudebussylmaoxxt43
-	  - DISCORD_BOT_TOKEN=3435tdfsdudebussylmaoxxt43
-	 #- HCAPTCHA_SITEKEY=3435tdfsdudebussylmaoxxt43
-	  - HCAPTCHA_SECRET=3435tdfsdudebussylmaoxxt43
-	  - YOUTUBE_KEY=3435tdfsdudebussylmaoxxt43
-	  - PUSHER_KEY=3435tdfsdudebussylmaoxxt43
-	  - CATBOX_KEY=3435tdfsdudebussylmaoxxt43
-	  - SPAM_SIMILARITY_THRESHOLD=0.5
-	  - SPAM_SIMILAR_COUNT_THRESHOLD=5
-	  - SPAM_URL_SIMILARITY_THRESHOLD=0.1
-	  - COMMENT_SPAM_SIMILAR_THRESHOLD=0.5
-	  - COMMENT_SPAM_COUNT_THRESHOLD=5
-	  - READ_ONLY=0
-	  - BOT_DISABLE=0
-	  - COINS_NAME=Dramacoins
-	  - DEFAULT_TIME_FILTER=all
-	  - DEFAULT_THEME=dark
-	  - DEFAULT_COLOR=ff66ac #YOU HAVE TO PICK ONE OF THOSE COLORS OR SHIT WILL BREAK: ff66ac, 805ad5, 62ca56, 38a169, 80ffff, 2a96f3, eb4963, ff0000, f39731, 30409f, 3e98a7, e4432d, 7b9ae4, ec72de, 7f8fa6, f8db58
-	  - SLOGAN=Dude bussy lmao
-	  - GUMROAD_TOKEN=3435tdfsdudebussylmaoxxt43
-	  - GUMROAD_LINK=https://marsey1.gumroad.com/l/tfcvri
-	  - CARD_VIEW=1
-	  - DISABLE_DOWNVOTES=0
-	  - DUES=0
-	  - MAIL_USERNAME=blahblahblah@gmail.com
-	  - MAIL_PASSWORD=3435tdfsdudebussylmaoxxt43
-	links:
-	  - "redis"
-	  - "postgres"
-	ports:
-	  - "80:80"
-	depends_on:
-	  - redis
-	  - postgres
+    build:
+      context: .
+    volumes:
+      - "./:/service"
+    environment:
+      - DATABASE_URL=postgresql://postgres@postgres:5432/postgres
+      - MASTER_KEY=${MASTER_KEY:-KTVciAUQFpFh2WdJ/oiHJlxl6FvzRZp8kYzAAv3l2OA=}
+      - REDIS_URL=redis://redis
+      - DOMAIN=localhost
+      - SITE_NAME=Drama
+      - GIPHY_KEY=3435tdfsdudebussylmaoxxt43
+      - FORCE_HTTPS=0
+      - DISCORD_SERVER_ID=3435tdfsdudebussylmaoxxt43
+      - DISCORD_CLIENT_ID=3435tdfsdudebussylmaoxxt43
+      - DISCORD_CLIENT_SECRET=3435tdfsdudebussylmaoxxt43
+      - DISCORD_BOT_TOKEN=3435tdfsdudebussylmaoxxt43
+     #- HCAPTCHA_SITEKEY=3435tdfsdudebussylmaoxxt43
+      - HCAPTCHA_SECRET=3435tdfsdudebussylmaoxxt43
+      - YOUTUBE_KEY=3435tdfsdudebussylmaoxxt43
+      - PUSHER_KEY=3435tdfsdudebussylmaoxxt43
+      - CATBOX_KEY=3435tdfsdudebussylmaoxxt43
+      - SPAM_SIMILARITY_THRESHOLD=0.5
+      - SPAM_SIMILAR_COUNT_THRESHOLD=5
+      - SPAM_URL_SIMILARITY_THRESHOLD=0.1
+      - COMMENT_SPAM_SIMILAR_THRESHOLD=0.5
+      - COMMENT_SPAM_COUNT_THRESHOLD=5
+      - READ_ONLY=0
+      - BOT_DISABLE=0
+      - COINS_NAME=Dramacoins
+      - DEFAULT_TIME_FILTER=all
+      - DEFAULT_THEME=dark
+      - DEFAULT_COLOR=ff66ac #YOU HAVE TO PICK ONE OF THOSE COLORS OR SHIT WILL BREAK: ff66ac, 805ad5, 62ca56, 38a169, 80ffff, 2a96f3, eb4963, ff0000, f39731, 30409f, 3e98a7, e4432d, 7b9ae4, ec72de, 7f8fa6, f8db58
+      - SLOGAN=Dude bussy lmao
+      - GUMROAD_TOKEN=3435tdfsdudebussylmaoxxt43
+      - GUMROAD_LINK=https://marsey1.gumroad.com/l/tfcvri
+      - CARD_VIEW=1
+      - DISABLE_DOWNVOTES=0
+      - DUES=0
+      - MAIL_USERNAME=blahblahblah@gmail.com
+      - MAIL_PASSWORD=3435tdfsdudebussylmaoxxt43
+    links:
+      - "redis"
+      - "postgres"
+    ports:
+      - "80:80"
+    depends_on:
+      - redis
+      - postgres
 
   redis:
-	image: redis
-	ports:
-	  - "6379:6379"
+    image: redis
+    ports:
+      - "6379:6379"
 
   postgres:
-	image: postgres:12.3
-	volumes:
-	  - "./schema.sql:/docker-entrypoint-initdb.d/00-schema.sql"
-	  - "./seed-db.sql:/docker-entrypoint-initdb.d/01-schema.sql"
-	environment:
-	  - POSTGRES_HOST_AUTH_METHOD=trust
-		#ports:
-		#- "5432:5432"
\ No newline at end of file
+    image: postgres:12.3
+    volumes:
+      - "./schema.sql:/docker-entrypoint-initdb.d/00-schema.sql"
+      - "./seed-db.sql:/docker-entrypoint-initdb.d/01-schema.sql"
+    environment:
+      - POSTGRES_HOST_AUTH_METHOD=trust
+        #ports:
+        #- "5432:5432"
\ No newline at end of file
diff --git a/files/helpers/const.py b/files/helpers/const.py
index 50f7c7549..f3becb9b7 100644
--- a/files/helpers/const.py
+++ b/files/helpers/const.py
@@ -1,6 +1,6 @@
 from os import environ
 
-site = environ.get("DOMAIN").strip()
+site = environ.get("DOMAIN", '').strip()
 
 SLURS = {
 		" faggot":" cute twink",
diff --git a/files/helpers/word_censor.py b/files/helpers/word_censor.py
new file mode 100644
index 000000000..294bde420
--- /dev/null
+++ b/files/helpers/word_censor.py
@@ -0,0 +1,47 @@
+from collections import ChainMap
+import re
+from re import Match
+
+from files.helpers.const import SLURS
+
+
+def create_replace_map():
+    dicts = [{
+        slur: replacer,
+        slur.title(): replacer.title(),
+        slur.capitalize(): replacer.capitalize(),
+        slur.upper(): replacer.upper(),
+    } for (slur, replacer) in SLURS.items()]
+
+    # flattens the list of dict to a single dict
+    return dict(ChainMap(*dicts))
+
+
+REPLACE_MAP = create_replace_map()
+
+
+def create_variations_slur_regex(slur: str):
+    variations = [slur, slur.upper(), slur.capitalize()]
+
+    # capitalize multiple words if there are multiple words (just in case)
+    if " " in slur:
+        variations.append(slur.title())
+
+    return [rf"(\s|>)({var})|({var})(\s|<)" for var in variations]
+
+
+def sub_matcher(match: Match):
+    found = match.group(2) if (match.group(2) is not None) else match.group(3)
+    replacer = REPLACE_MAP[found]
+    return (match.group(1) or '') + replacer + (match.group(4) or '')
+
+
+def censor_slurs(v, body):
+    for (slur, replace) in SLURS.items():
+        for variation in create_variations_slur_regex(slur):
+            try:
+                body = re.sub(variation, sub_matcher, body)
+            except:
+                pass
+
+    return body
diff --git a/requirements.txt b/requirements.txt
index 5f3263376..81a3aa269 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
+assertpy
 beautifulsoup4
 bleach
 Flask
@@ -20,6 +21,7 @@ requests
 SQLAlchemy
 psycopg2-binary
 pusher_push_notifications
+pytest
 youtube-dl
 yattag
 webptools
\ No newline at end of file
diff --git a/test/files/helpers/test_word_censor.py b/test/files/helpers/test_word_censor.py
new file mode 100644
index 000000000..9ab8ecdb2
--- /dev/null
+++ b/test/files/helpers/test_word_censor.py
@@ -0,0 +1,76 @@
+import re
+from unittest.mock import patch
+
+from assertpy import assert_that
+
+from files.helpers import word_censor
+from files.helpers.word_censor import create_variations_slur_regex, create_replace_map, censor_slurs, sub_matcher
+
+
+def test_create_variations_slur_regex_single_word():
+    expected = [r"(\s|>)(retard)|(retard)(\s|<)",
+                r"(\s|>)(Retard)|(Retard)(\s|<)",
+                r"(\s|>)(RETARD)|(RETARD)(\s|<)"]
+
+    result = create_variations_slur_regex("retard")
+
+    assert_that(result).is_length(3).contains_only(*expected)
+
+
+def test_create_variations_slur_regex_multiple_word():
+    expected = [r"(\s|>)(kill yourself)|(kill yourself)(\s|<)",
+                r"(\s|>)(Kill Yourself)|(Kill Yourself)(\s|<)",
+                r"(\s|>)(Kill yourself)|(Kill yourself)(\s|<)",
+                r"(\s|>)(KILL YOURSELF)|(KILL YOURSELF)(\s|<)"]
+    result = create_variations_slur_regex("kill yourself")
+
+    assert_that(result).is_length(4).contains_only(*expected)
+
+
+@patch("files.helpers.word_censor.SLURS", {
+    "tranny": "🚂🚃🚃",
+    "kill yourself": "keep yourself safe",
+    "faggot": "cute twink",
+})
+def test_create_replace_map():
+    expected = {
+        "tranny": "🚂🚃🚃",
+        "Tranny": "🚂🚃🚃",
+        "TRANNY": "🚂🚃🚃",
+        "kill yourself": "keep yourself safe",
+        "Kill yourself": "Keep yourself safe",
+        "KILL YOURSELF": "KEEP YOURSELF SAFE",
+        "Kill Yourself": "Keep Yourself Safe",
+        "faggot": "cute twink",
+        "Faggot": "Cute twink",
+        "FAGGOT": "CUTE TWINK",
+    }
+    result = create_replace_map()
+
+    assert_that(result).is_equal_to(expected)
+
+
+@patch("files.helpers.word_censor.REPLACE_MAP", {'retard': 'r-slur'})
+def test_sub_matcher():
+    match = re.search(r"(\s|>)(retard)|(retard)(\s|<)", "<p>retard</p>")
+    assert_that(sub_matcher(match)).is_equal_to(">r-slur")
+
+    match = re.search(r"(\s|>)(retard)|(retard)(\s|<)", "<p>noretard</p>")
+    assert_that(sub_matcher(match)).is_equal_to("r-slur<")
+
+
+@patch("files.helpers.word_censor.SLURS", {'retard': 'r-slur', 'manlet': 'little king'})
+def test_censor_slurs():
+    word_censor.REPLACE_MAP = create_replace_map()
+
+    assert_that(censor_slurs(None, "<p>retard</p>")).is_equal_to("<p>r-slur</p>")
+    assert_that(censor_slurs(None, "<p>preretard</p>")).is_equal_to("<p>prer-slur</p>")
+    assert_that(censor_slurs(None, "that is Retarded like")).is_equal_to("that is R-slured like")
+    assert_that(censor_slurs(None, "that is SUPERRETARD like")).is_equal_to("that is SUPERR-SLUR like")
+    assert_that(censor_slurs(None, "<p>Manlets get out!</p>")).is_equal_to("<p>Little kings get out!</p>")
+    assert_that(censor_slurs(None, '... "retard" ...')).is_equal_to('... "retard" ...')
+    assert_that(censor_slurs(None, '... ReTaRd ...')).is_equal_to('... ReTaRd ...')
+    assert_that(censor_slurs(None, '... aretarded ...')).is_equal_to('... aretarded ...')
+    assert_that(censor_slurs(None, "LLM is a manlet hehe")).is_equal_to("LLM is a little king hehe")
+    assert_that(censor_slurs(None, "LLM is :marseycapitalistmanlet: hehe")) \
+        .is_equal_to("LLM is :marseycapitalistmanlet: hehe")