Definitions by Al the one and only

suck my gouche 

To perform a pointless, unsanitary and disturbing type of oral sex. In which the oral sexer sucks the gouche of the oral sexee.

Can be used as an insult or demand for someone who pisses you off.

Shortened to SMG (not sub-machine gun).

Yo andy get on ur knees and suck my gouche.

suck my gouche by Al the one and only December 24, 2005