A sick club dance when you lean back constantly as you walk it out
yo check out brian, hes mean lean'in on your girl
by Brian Hua April 27, 2007
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When you have rank ass farts and they get caught under your ball sack, so when you lean forward the smell engulfs your face.
Bro i had a mad mean lean in chemistry today
by MeanLeaner December 12, 2010
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The greatest rapper and bodybuilder of all time. 2pac and biggie died because his lyrics blew em away.

Also known as MC Keegs, he is an uprising rapper from Compton. As a member of no gang, he puts his studies first while balancing rapping and weight lifting. his immense strength and influence in the community is unrivaled.

Usually as a compliment, which bestows enormous value on the beholder. The only person to ever meet this title is MC Keegs, the Lean Mean Keegan Machine.

Currently, he has projected 5 albums, of which we know the name

Album #1: Mothafuckin' Hoes
Album#2 All over My Dick
Album #3 Parental Advisory
Album #4: My bitch is my dawg
Album #5 THE Lean, Mean Keegan Machine
Dude, ya hear Ugly, a single from Mothafuckin' Hoes by the LEAN MEAN KEEGAN MACHINE?. It's amazing. The only song on my ipod.
by Host of 99.9, MC Keegs Live December 7, 2010
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a 2007 novel by Janet Evanovich, the thirteenth in the Stephanie Plum series
Lean Mean Thirteen, and several of the subsequent novels, focus on Stephanie getting caught up in the search for a missing person, in a manner related only peripherally, or not at all, to her work as a fugitive apprehension agent.
by SPrice1980 May 8, 2023
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a 2007 novel by Janet Evanovich, the thirteenth in the Stephanie Plum series. It was released on June 19, 2007
The eighth through twelfth novels feature Stephanie coping with being stalked by criminals for various reasons; Lean Mean Thirteen, and several of the subsequent novels, focus on Stephanie getting caught up in the search for a missing person,
by SPrice1980 May 6, 2023
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