Symbifi

Pronounced Simbeefee. Acronym for "shut your mouth before I fuck it"

Short phrase you can use in public to tell your girlfriend to shut up in a vulgar way without offending people around you.

Used to silence someone with emphasis.
Girlfriend says, "Will you carry my purse?"

Answer. "Symbifi"
by heeg January 04, 2011
mugGet the Symbifimug.