An abbreviation for I(nsane) M(ad) B(itch). A nut job lady who is out to get someone for whatever reasons whether it'd be deep hatred or lust. Not to be confused with IBM, or I(nter-continental) B(allistic) M(issile). Ranges from Categories 1-5, 1 being within normality crazy and 5 being borderline illegal activity crazy.

Person A: Shit dude, I got an IMB after me
Person B: What category?
Person A: Like a 4
Person B: Damn. Aight I'll cover for you
Person A: Thanks B

IMB by funniestmanaliveconfirmed August 29, 2019

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IMB

"Indian Mound Boys"
The boys that live in the Indian Mound neighborhood in Islamorada. They party all the time, play sports, are BEST FRIENDS, and claim to be badass.

PL, Patrick Naughton, The Angel boys, William Bassett, TJ Sabalka, Travis Sebastian, Eckbloms, Tyler G, Mikey Hampson, There are more..

"Hey Shelly what'd you do friday night?"
"I partied with the IMB!"

IMB by coreyshmoreys April 15, 2009

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IMB

IMB is an abbreviation of IN MY BAG
aka when you are depressed

Ayo, Eli I’m IMB

IMB by JACQUEESS December 14, 2019

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