When the performing of the "donkey punch" goes horribly wrong and you hit the girl so hard the she has seziures and shakes like a washing machine with you still attached.
Man this girl and i were having sex and i donkey punched her so hard she gave me the washing machine.
by Hsimpsons13 April 01, 2006
When performing the act of the "donkey punch" goes horribly wrong and the woman goes into seizures and shakes on your "member" like a washing machine would.
by Hsimpsons13 April 14, 2006