The act of masturbating so much in one day that the friction created causes the skin to tear and for the penis to begin to bleed!
Joe, I need you to check my penis, I had a foul doo-dah last night and i don't think it has stopped bleeding!
by I-Can't-Get-A-Damn-Name April 12, 2011
Get the Foul Doo-Dahmug.