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the process of grabbing a girl's bra from behind and pulling it back, causing pressure on the girl's breasts from the bra cups behind pulled back, and releasing quickly, causing a snapping sound. It can be thought as a wedgie of the breasts.
Dan was bored in class, so he gave Danielle a bra snap. She winced as he pulled back, and turned around and slapped him as soon as he let go.
by cruidzoid May 28, 2009
A generally painful experience that guys seem to think makes them intelligent...
Cass: I hate having my bra snapped!!! >.<

Random guy: *snaps bra*
by Casz October 10, 2009