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1.
The act of a male becoming erect, sitting up in his bed or chair, and clapping his hands with the erect penis in between. One can upgrade if they desire by using pans, books or anything in their arsenal.
GF- "Hey (boyfriend) let's have sex"
BF- "sure thing (girlfriend)"
*undresses himself
GF- "OMG WTF WHY IS YOUR DICK SWELLED AND BRUISED"
"I was fapclapping last night it was pantastic"
by Annandzilla October 23, 2013