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A big, dumb, balding North American ape with no chin and a short temper.
Kwyjibo on the loose!
Kwyjibo by SimpsonsFan1969 July 16, 2023
Related Words
There’s a Kwyjibo on the loose.
Kwyjibo by Kmart Queen February 16, 2024
There’s a Kwyjibo on the loose.
Kwyjibo by Kmart Queen February 16, 2024
a KWYJIBO is a rule, idea, or excuse. made up on the fly to cheat in a board or video game.

originating from the season one episode 2 "bart the genius" episode of the simpsons where during a gem of scrabble he spells the word "KWYJIBO" and describes it as "a big, dumb, balding North American ape with no chin" as an attempt to get out of the game early
"dude you cant do that its against the rules to do that"1
"since when?" 2
"since forever!" 1
"your full of it thats a total KWYJIBO"
KWYJIBO by C.T Tracy July 25, 2024
A big dumb balding North American ape with no chin.

Origin: The Simpsons
Homer (to Bart): So you're a big dumb balding ape?
Homer chases Bart
Bart: Uh oh, a kwyjibo on the loose.
Kwyjibo by DZei August 10, 2025
A fat, balding north-american ape
'Kwijibo' was the word Bart Simpson tried to use to win a game of Scrabble.
kwijibo by Bastardized Bottomburp February 14, 2006