Shelf-Ass

A women's ass (usually black women) who's top of the ass cheek is so big it can be used as a shelf.

Damn that bitches shelf-ass is so big it could be used as a table top cup holder.

by Anonymousshelfass April 13, 2016

Self ass smack

When you smack your ass yourself

heather: oh god why is the bedroom door locked (gets chainsaw and opens door)
leo: (having sex with sara) what the fuck heather
heather: ahh yes daddy this is some hot shit i've gotten horny i think
sara: uhm, ok but hes my fuckbuddy
heather: theres nothing wrong with me giving myself a self ass smack and then getting to fingering
mark: everyone here is a sex addict

by sir moron da great April 5, 2021