Basically a synonym for douchebag. Can mean anyone that is either scurvy, a putz, stupid, lame, dorky, or a nerd.
That guy has rubber testicles hanging from his back bumper, what a flop ass!!
So you spent all last night Watching MadTV? You are a flop ass!
So you spent all last night Watching MadTV? You are a flop ass!
by Tripton March 28, 2006
The top part of the ass that flops out of fat peoples pants when they get up from previously sitting down.
by KrypticDeath July 14, 2010