A name given to someone who teaches with anger problems. A mooby is somebody who cant control their anger and will yell tell their throat and lungs hurt. Mooby's usually always either have to scream, yell, shout, and to some extent think their a BAMF Gangster. A Moobys blood pressure goes to unheard of highs. A mooby usually has excessive anger problems. The best option is to avoid a Mooby or Moobys at all cost.

The fictional cow mascot of the McDonald's-like kiddie restaurants from Kevin Smith's "askewniverse"

When you masturbate and take a poo at the same time

A man's teat, from the combination of the words "man" and "booby"