Top Definition
A sad but surprisingly affective phrase often used by Eustace to scare the crap out of Courage in the animated cartoon, Courage the Cowardly Dog. When scaring someone using this phrase, be sure to wear a mask larger than your body.
Eustace: Hey ya stupid dog, look what I got for ya'...

Courage: Aru?

*turns around and puts on giant scary mask*


Courage: AHHHHHHHHHHHHH!!!!!!!

Eustace: Lol.
by Shamanized July 29, 2008
2nd most commonly used scare phrase. The first is Boo!
Person walks around the corner and out of no where a man pops up and says "Ooga booga booga!"
by Sam Hoover July 13, 2008
A word an old man would use to scare a purple dog, usually by the name "Courage"
Eustace: "Come here boy I have something for you"
Eustace: ". . ."

by CourageTheCowardlyHuman October 13, 2014
The onomatopoeia, used to describe the sound apes (mainly gorillas and orangutans) make. Gorillas are known to say this when banging their chests.
Gorilla 1: (Makes screeching noises)
Gorilla 2: Ooga Booga Booga! (bangs chest).
by I<3Gorillas November 25, 2011
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