Top definition
The sound and action of having a male's testicles slapping off of a women's vagina.
Balls
Slapping
Off
Cunt
Man i was hitting this girl so hard last night my roomate told me he could hear the mad bsoc through the wall.
by Matt English April 18, 2005
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2
like BNOC, BSOC is an abbreviation used across universities for "Big Slut On Campus"
"have you licked out Kelly yet?"
"yeah man, she's such a BSOC"
by manchestermetsucks January 14, 2015
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