is a person, place, or thing that makes you think "what the F@#K are you doing!?". Also can be used to describe an individual as idiotic, or annoying.
Friend 1: Dude! Did you hear what john did to the slide?
Friend 2: No? Why what did he do?
Friend 1: He pissed and squeezed out a huge dukey
Friend 2: What!? What a speev..
Friend 1: Yeah i know..