Commonly found in people who didn't quite get the memo about a toothbrush, toothpaste, mouthwash and floss being cheap, essential tools to ensure a clean, fresh mouth.
Morgan: "Eau my God, did you smell that when he was talking to us?"

Jasmine: "Yeah, it was nasty! What the hell was that?"

Morgan: "What happens when someone hasn't heard of a toothbrush and toothpaste. He has breff."

Jasmine: "Loooooooool."
by MTBamba May 25, 2020
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bad breath, whether it be morning breath or just plain sewer mouth.
Ma you need to brush yo teef, you gots da stank breff.
What up stank breff?!?
by gagarn April 23, 2008
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Someone's nasty breath after a night of drinking.
Steve: Shea, did you just fart?
Shea: Na man, its my gwasi breff.
by Bus36 January 26, 2006
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