n. any of a species of greasy-haired, pedophilic co-worker who invents stories about a fictitious life, makes jokes so bad your eyes run, and is generally incompetent, but suspiciously still employed.

Alternative to the word lame.

(n) The sound that one makes when they sit around all bored like and say "moop."

(v) to moop -- The act of sitting around not doing anything but twiddling ones thumbs and making the sound "moop."

To combine moping and pooping. The volume of pooping increases with the amount of moping.

The act of squeezing an erotic or sexual part of the body playfully and without sexual intent.

Expressing disappointment

moop means anything that relatively looks like umi from love live. Since she is best girl she will have to be accosted with moop. Moop is also for mina ashido and not ururaka. It also means finishing ur school papers the morning they are do. and that is a moop.