S.B.A or "Slut By Association" refers to a female who is friends with a known slut or whore and is likely a slut themselves. Obviously, not all friends of whores are sluts; an S.B.A is a female that one assumes is a slut because of A. Her attire and/or attitude and B. Her acquaintanceship with a known slut/whore
by BluewaffleChomper October 05, 2010
The sexual act in which one partner lays on the ground face first and proceeds to stretch their butt-cheeks apart revealing the anal cavity. Their counterpart must be a lactating woman; she squeezes her breasts into the anus, causing the nutritious milk to pour inside. The milk mixes with remaining fecal matter creating a delicious snack. She then kneels down and felches the milky shake out of the anus.
After hours of exhausting fornication, Jennifer decided she could go for a sphincter shake fresh from her lover's anus. Hopefully she doesn't wake the baby.
by BlueWaffleCHomper September 05, 2010