Ass Window

Another name for a Romper, a garment commonly worn by human females. Rompers almost always leave 95% of the ass exposed. The view created by a romper mimics the function of a window, as you can clearly see the object inside but do not have access to it.

Guy1: "Bro, look at that girl! You can see 95% of her ass in that romper!"

Guy2: Yeah you can clearly see it through the ass window."