A Potato Launcher is usually an unmounted grenade launcher (such as the Thumper in Modern Warfare 2.) Just like a mounted grenade launcher (Noob tube), it is commonly used by noobs to get easy kills, since it does not require any skill (or, not a lot.) It comes from the fact that grenade's shapes seem like potatoes, and from ''real'' potato launchers built by people all around the world in real life.
by Eljmaster July 13, 2010
A tiny car with a loud engine, usually a foreign import car with a large exhaust pipe. Also sounds like a wind-up toy or lawn mower.
The mini-thuglet teenager in his pimped out potato launcher punched the gas and took off at a whopping 30 mph.
by Bonocusack February 27, 2008