Any heavy-duty pool pump used to empty swimming pools for skateboarding. The huge stream of filthy water spewing out of the end of the hose reminds skateboarders of past sexual exploits.
it is a fancy word for NUMEROUS that one learns in college or highschool. it is often used by tv broadcasters to make themself sound smarter. many of them put an article in front of it and say, THERE WAS A MYRIAD, thus actually sounding dumber.