sex using the females breasts on either side of your cock.
also known as titty fuckin.
i was titty fuckin my ho cus the beaver was bleedin. sounds better than; my significant other and i were enjoying some breast sex because aunt flo was in town.
When a man sticks his penis in between a woman's breasts and thrusts to create friction, like sex.
Man, those huge tatas would be great for breast sex.