1 definition by Andrew R.C.

when your dick/ballsack makes a clapping noise on your thigh that only you can hear, unless you ask everyone to be quite and make a humping motion rapidily to generate the clopping noise. Note:This can only be achieve if your wearing loose boxers.
Teamate 1.< Man on our run this morning you were clopping like a bitch.
Teamate 2.< I know all my briefs were in the laundry so I only had boxers so it was like a moonbounce down there.
by Andrew R.C. August 21, 2007
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