when a female and male rub together in the nude and a suction occurs, causing a farting noise.
"Dude, last night, i was getting all hot and heavy with that girl sophie and her boobs totally farted"

"no way, gross"

"naw, man. the boob fart was hot"
by Asdnfalsjnfdjasfdsdfsdf June 7, 2007
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When a girls boobs rub together and make a fart noise
"Hey Darlene, I just heard your boob fart
by Lordy Gravy April 30, 2006
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