A man who dances using excessive pelvic thrusts and general overuse of his posterior, for the purpose of drawing ladies' (or mens') attention to it.
man # 1: "did you see carl out there on the dance floor"?
man # 2: "yes, he was shaking his ass all over the place"
man # 1: "that guy is a shameless ass dancer all right".
The nastydust, skin, hair, and sometimes unidentifiable debris that are found in the crevices of a heavily used chair or couch.
Oh! Dude, it was so nasty! My pen fell in between the cushions on the couch in the lounge today and I couldn't get past all the ass dandruff to get it out.
A “dancer’s ass” is a girl with a nice ass who does competitive dance. Girls with the tightest, most perfectly shaped, juiciest asses do competitive dance, it’s a proven fact.
Guy 1: “Yo she’s got the most perfect bubble butt”
Guy 2: “Yeah she’s got a Dancer’s Ass”