Top definition
The semi-sexual act of having some skank kneel down naked infront of you while you jump up and down causing your hard dick to "whap" her tits, creating an amusing sound. For best reslults, wear Nike Air Jordans and at LEAST a 3.5 inch dick.
Guy 1: "Dude, I hopwhapped Jenna so hard yesterday, I left a dent in her tits!"
Guy 2: "Shut up, Dad"
by Grodie and Brodie February 17, 2012
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