What is Crusty Cluster?
1.
the definition for a crusty cluster is when you take a shit and day after day you dont wipe your arse it builds up and the shit build up is considered a crusty cluster ie a build up of old feocal matter
dude "i had the shits again but i never bother wiping the wife always uses all the bog roll"
another dude "no way man thats gross your going to end up with a crusty cluster on your arse"
See