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 on it!
Friend 2: What!? What a speev..
Friend 1: Yeah i know..
To lie, trick or decieve.
"Theres no way that can be true, dont speev me!"
"There goes Bill speeving again."
"This guy sold me a used car, it turned out to be a lemon, he really speeved me."