Definitions by LadyLeen

Top Popping 

When a girl's boobs start to fall out of her shirt/dress (generally of the low-cut variety).

Girl 1: So how was your date last night?
Girl 2: It was great until I started top popping in front of his parents! They must have thought I was a total slut.

Top Popping by LadyLeen January 23, 2009