Top Definition
Sexual intercourse with a large pair of boobs.
"Dude...she took her top off, I dropped my pants, and we had boob sex for over an hour!"
by cogprimus January 31, 2010

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When a guy rubs his penis on and between a girls breasts then ejaculates on them
Chad : My dick's hard can you please comfort it?
Kiersten : Would you like some Boob Sex my breasts have been lonely as of late thanks to your wife?
Chad : Yes please your breast's are so amazing!
by SlopNChop November 20, 2016

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When a man rubs his ;) through a woman's boobs
Jack and Jill had MAJOR boob sex last night!
by Jack and Jill are together July 24, 2017

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slang word for something to do with the breasts
when a man licks or sucks at a womans nipples
by janet32 February 22, 2005

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Wen one girl grabs another girls boobs, then there boobs are toch the other boobs, there for they are haveing "boob sex" whith eachothers boobs. Boob Aids is vary vary bad becouse the boobs turn purpleand blue, and thats just not good boobige. So... People , girls, please don't have Boob sex, Just hold you'r own!!
"Dude, I just saw some lesbian boob sex!!!"
by baughan August 31, 2007

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