piece of ass
The definition of a piece of ass is a person who is considered to have value or worth only for sexual reasons.
A girl you want to become sexually involved with but not have a relationship with might be described as a piece of ass.
(plural pieces of ass)
- (US, idiomatic, colloquial, vulgar) An act of intercourse, especially a one night stand.
- (US, idiomatic, colloquial, vulgar) A very attractive woman, when considered as a sex object.
- (rare, LGBT, idiomatic, colloquial, vulgar) A male prostitute.