When one is getting humped unintentionally by another and then decides to turn the tables by humping back, thus freaking out the original humper.
First Dude- "SURPRISE! I'm so humping you right now!"

Second Dude- "WTF! Well how about THIS!"

First Dude- "O SHIT! I'm being counter-humped!"
by Love Syrup June 7, 2009
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