Top Definition
/goo-nuhs/

A name given to someone who:
a) unintentionally makes you laugh with their idiocy
b) has just said something unbelievably dumb
c) accidentally injures themselves often or
d) is just generally a clumsy fool

'Goonus' can be used separately, or as part of a clever celebrity-based pun:

Idiot #1: How do you spell ATM?
Superior Being #1: Could you be more of a goonus?

Idiot #2: *knocks over glass*
Superior Being #2: You are such a goonus! You could be the fourth Goonus Brother (loosely based on Jonas Brothers)!
by Emile A4 October 29, 2008

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