the toilet paper build up in the ass.mainly unclean folks who never shower.really turns off folks who enjoy giving a good rimjob. also known as buttcheese asscheese asscrud and gross.
"oh my god i was gonna hit that crack,but the bootycheese was campin'.so i split that scene,left her for the next sucker ass motherfucker."
The uncomfortable feeling that occurs when a large booty of another passenger moves onto your seat during a subway or bus ride, thereby causing you to squish toward the other side of your seat in order to avoid rubbing against the passenger's booty.
While riding the M14 bus in New York, I was the victim of bootycreep when a woman with a large booty sat next to me.