1 definition by Jimmypoo

Top Definition
Mouth-Fart, while Making out, or French Kissing you & your partners lips seperate and make a fart noise. Very embarrasing.
Guy 1:Aww man I was Mackin on my girl last night when we tottally MARTED it was hilarious.
Guy 2:WTF is a Mart?!
Guy 1:You know a mouth fart?
Guy 2:Oooh HAHAHAH Douchebag!
by Jimmypoo March 31, 2007
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