diff --git a/constants.py b/constants.py
index a0b2f64..0d863c5 100644
--- a/constants.py
+++ b/constants.py
@@ -24,6 +24,12 @@ SPONSORBLOCK_CATEGORY_NAMES = {
     "selfpromo": "self promotion",
     "sponsor": "sponsored",
 }
+REACTIONS = {
+    "cat": ["🐈"],
+    "dog": ["🐕"],
+    "gn": ["💤", "😪", "😴", "🛌"],
+    "pizza": ["🍕"],
+}
 RELOADABLE_MODULES = [
     "arguments",
     "audio",
diff --git a/fun.py b/fun.py
index c55d841..8c2faa7 100644
--- a/fun.py
+++ b/fun.py
@@ -1,10 +1,13 @@
 import random
 
 import commands
+from constants import REACTIONS
 
 
 async def on_message(message):
-    if random.random() < 0.01 and "gn" in commands.tokenize(
-        message.content, remove_prefix=False
-    ):
-        await message.add_reaction(random.choice(["💤", "😪", "😴", "🛌"]))
+    if random.random() < 0.01:
+        tokens = commands.tokenize(message.content, remove_prefix=False)
+        for keyword, options in REACTIONS.items():
+            if keyword in tokens:
+                await message.add_reaction(random.choice(options))
+                break