4 definitions by Derf

a female's behind
a girl's butt
a woman's posterior

a woman with a beautiful posterior,
or a well shaped derriere,
or a nicely proportioned backside,
or having sweet buttocks.
nice chank

When a man feels like he is in his “prime” but is clearly past that age to be in his prime, and doesn’t preform in his prime.

short for shithead, used when you are too lazy or to tired to say it all