1 definition by Capt. Fantasy

In the b, no b's

Shorthand phrase for "In the butt, no babies," referring to the use of anal sex as contraceptive.

Noah: "Aren't you worried about knockin' her up?"
Karl: "Nah, brah! In the b, no b's!"
Noah: Werd!

by Capt. Fantasy August 18, 2006