describes the act of whacking off: originates from the image of the head of the penis looking like a clowns nose.
-What were u doing in the bathroom for so long?

-punching the clown...
by schoolisgay July 12, 2009
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Male masterbation, usually the term is used after the inner shoulder muscles are tired.
My shoulders are so tired after punching the clown.
by Max O June 19, 2006
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Beating Ronald McDonald, or Pennywise, or any other clown, with your fist. What else do you think that meant?
A pedo dressed like Ronald McDonald tried to lure me into a van until I started punching the clown.
by LIGMAisNotaRealDisease December 5, 2018
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