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1.
The sound your vagina makes when your walking.
Haven't you ever wondered what that was called. Like your walking and your like whats that sound my vaginas making. Well now you know its vagina smacks.
by Ericka May 18, 2006
 
2.
A swift backhand directly to the vagina.
Yo man, last night I was walking down the hallways at school and I vagina smacked some broad!
by Big Lou Watcha Gonna do March 30, 2011