another name for extreme ping pong.
Gnop is usually play in an unfinished basement with two man teams.
by Dave Tillges August 06, 2008
A photoshopped image of someone's face where the artist has scaled down the facial features in comparison to the rest of the head, thus making the target look rather silly.
Michelle from pop idol is a rare example of a real-life gnops.
by Canker January 12, 2004
The Very greatest game ever. Made by Bungie, the creators of such classics as Marathon, Myth and Oni.
I played Gnop for hours upon hours straight, and even after losing my hands, I swore it was worth it.
by LTD March 07, 2005