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11.
A term of derision often uttered by Bugs Bunny when referring to an interaction with a dopey adversary. It is a mispronunciation of the word "Moron"
"What a Maroon!" "Will ya get a load of this maroon"
by Tannasg July 30, 2004
 
22.
first heard as a descriptor (or more precisely: "word picture") of fone-bone, a loveable character from the golden era radio comedy; "fone-bone's folly".

Maroon (n.): One who wears hushpuppies brand or styled footwear and engages in pedophilic tendencies including autoerotic gratification in the presence of children.
"fone-bone, your a maroon!"
by Cortical Homunculus May 14, 2004
 
23.
A) A term used to confuse people into thinking it's an insult.

B) An actual insult. Basically calling someone an insane moron.
A) Josh: God, Sami! You such a maroon!
Sami: Teacher, Josh called me a maroon again!

B) God, Sami! Your such a maroon!
Sami: Teacher, Josh called me a maroon again!

Either way, Sami gets confused and defensive.
by Clock Watcher June 25, 2005