A combination of feistiness and sass. Often used when someone is giving major attitude.
Johnny was giving major frass to his roommate, giving him major attitude all week.
by steviedeezie April 3, 2010
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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
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The frontal area of a large person's pants that makes it look like they have an ass in the front of their body.
Dang that dude is huge. He definitly has to have a frass.
by Cisco 2 February 21, 2010
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formed from two words, front and ass, the frass is the bulge in the front side of a person opposite the ass. Most commonly found it ridiculously fat people
Look at the Frass on that behemoth. She needs horns going off when she walks forward as well as back.
by OD August 27, 2003
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The word frass is used to describe an overweight person that has what looks like an ass on their frontal area. Front + Ass=Frass.
"Wow jenny sure has been getting fat" -michael
"Yeah, I know. Shes developing quite the frass" -Joe
by tboner8 August 28, 2009
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Piece of ass just behind the taint when looking past her vagina from the front.
That Norwegian cross country skiers tight ski suit accentuates her fjord like frass.
by Thor Higherball February 14, 2014
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Noun: used when overweight females wear pants that are so tight that the front of their lower bodies resemble an "ass" or "front-ass." Also known as a "FRASS."

The Founder of the FRASS. BranfordPFT
She want it she gunna get it!!

Damn that FRASS be looking tight today.

Dude check that frass out

Where do you buy tan pants that that makes you have two asses?

Are those pants airbrushed? let me get that number?
by Branford PFT March 29, 2012
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