What is Donkey Chop?
1.
When ninjas are having anal sex at the point of ejaculation, the pitching ninja delivers a skull crushing chop to the catching ninja on the back of the head causing the sphincter to tighten around his ninja penis increasing his ninja pleasure and causing the release of a buttload of semen.
Arlyn: Hey dude, I just picked up this sweet ass ninja porn
Ian: No donkey chop, no care.
2.
To be slapped round the face with a penis
"Oh shit! you got donkey chopped dude!"
"Man Id love to donkey chop that broad"
See