What you use at a 1987 prom after you paid $1000 to have the most popular girl in school pretend to like you. Oh wait, that's the plot to Can't Buy Me Love with Patrick Dempsey. See also 80's.
Like the foxtrot but faster.
Kind sir, might you lend a hand and add a funny dance?
A not particularly rhythmic movement (more properly, a tic) exhibited by a white guy in response to hearing... nay, feeling the beat.
Usually seen happening in bars by drunk men. Ha. They put a fist in the air and just pump it back and forth for a very long period of time. Dancing? I don't think soooo.