butt bra

butt bra

n
(Clothing & Fashion) chiefly informal US and Canadian an undergarment for supporting the buttocks
References in periodicals archive ?
Karin also refers to it as a Butt Bra and, purely for the purposes of research, I visited her website and it looks a bit like a chap's jock strap from the rear.
In India, tummy tuckers have been in demand for a while and now, pushups, butt bras, bodysuits, thigh clinchers are gaining popularity.