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1.
A derogatory term used to discribe one who has been caught masterbating. Also usful in slaging someone.
Leave me alone ya clown puncher!
by Joe Mama November 28, 2004
 
2.
When a person grabs the shaft of his penis with one hand and punches the head of his penis with the other.
With a firm grip on his shaft, Teal kept punching the head of his penis like a true clown puncher.
by Team Clown Puncher Mississippi August 17, 2007