The act of masturbation, particularly masturbation so furious that the action of one's hand causes the genitals to begin making a flapping or clapping noise.
That fat loser became so aroused watching lesbian porn that he dropped his pants in front of everyone and started making his hand cluck.
by Charlie Tang July 06, 2005
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.Buy the mug