Having a complete lack of ass; an otherwise very uninteresting, flat, or nonexistent booty; a
butt that likely resembles that of
Hank Hill’s (on King of the Hill); commonly known as “tweaker
butt”.
“Look at that poohbutt ass bitch trying to look
cute in those tight ass pants.”
“How is she trying to
twerk with that poohbutt though?!”
“I’m an ass-man myself, so I could never be with some
chick that had straight poohbutt.”