The part of the anus that allows you to clip the shit from your rectum and have it fall in the toilet, on the floor, or in your pants if you couldn't hold it.
Yo, that bitch is such a slut she can take two cocks in her shit clipper at once!
n- Sexual Gratification or Erotica involving ponies, specifically ponies seen in My Little Pony: Friendship is Magic. Generally, the person masturbating to pony erotica is considered the Clopper.
The other day, John saw a picture online of Twilight Sparkle with fully developed breasts. John has been a Clopper ever since