Definitions by h3rt@

SMIFF 

SMART MOUTH IDIOT FLIP FLOP.

It's when a person who is an idiot starts running their smart mouth while looking like a damn fool wearing flip flops.

"Look at that SMIFF over there talking about garbage he don't know about"

"He is the biggest SMIFF I know"

SMIFF by h3rt@ November 24, 2011