A woman, with a tiny waist and absurdly huge ass. So extreme that it looks like an obese person's bottom sewn on to a thinner person's upper torso.
Even Sir Mix-a-lot wouldn't touch that ghetto centaur.
Receiving a rimjob while taking a piss.
Blumpkins are fine but don't have to poop. However, I do have to pee so how does an unblumpkin sound?