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1.
1. the female equivalent of a dick slap; 2. a rough vaginal thrust leaving a tell-tale mark on the recipient's face, often described as a dot between curving parallel lines, i.e. the 'butterfly' bruise.

Attributed to Seattle poet, Chris Edwards. Origin unknown.

2009
Dude, ask that chick if she'll clit bump you on the face!

Dick slapped or clit bumped?!

She took him out to the desert, asked for some oral, clit bumped him and left him with only his cell phone and the tell-tale bruise on the side of his face. Cold shit.
by Jonesy 319 June 09, 2009