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When one brother is really tall and skinny, while the other ends up short and fat.
"Man, Pete is really tall and skinny!"

"I know, but have you seen his brother? They've got the mario/luigi complex"
by Ijjy July 10, 2009
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Apr 20 Word of the Day
A term used to reference cannabis/marijuana/weed.
This Jazz Cabbage got me zooted. Jazz Cabbage is less harmful than Squares. I’m smoking that Jazz Cabbage boy.
by Gypsiehood97 December 30, 2017
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2
Mario is like the hot girl in the group who always gets hit on and gets all the attention. Luigi is the girl who never gets asked out, but she isn’t unattractive or anything β€” still hot in her own, just overshadowed by the Mario.
I think there’s a Mario/Luigi complex going on with Jessica and Becky. Becky never gets asked on dates, but she’s cute and nice.
by strawberri_laur May 07, 2020
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