Top definition
IABTT - It's all about the titties. Used by breast enthusiasts mostly to signify that the only thing that matters is the breast even if the other areas are lacking.
Jeremy: Sarah has a butterface and no ass.

Dave: Bra, IABTT!
Jeremy: You have a point. Two of them!
by Fallen Returns May 13, 2018
Get the mug
Get a IABTT mug for your sister Nathalie.