A slim girl who has a nice booty but usally has it undercover by unflattering clothes for the curves or hides her booty
Often a term used by men to define a slim thick girl or thin girl that hides her assets also know as a undercover booty

“Look at her she has a Peek-a-boo booty
by DallastheDon July 30, 2019
Get the Peek-a-boo booty mug.