1 definition by [the] Blind_Bandit

Frass

The accumulation of fat above the pubic area but just below the waist line. It basically is a 'front ass'. Join the two words and you have 'frass'.

"Bro, you see that fat guy walk by?"
"Yeah, man. He had a frass the size of his real ass."

by [the] Blind_Bandit November 29, 2011