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MCM means "Man crush Monday". That means every Monday. they find a man that has the sexiest body and has the most abs. And post it on Insta Snapchat Facebook and Twitter. This hastag or whatever you wanna call it has gone viral sence.
May: Did you see that post on Monday.

Amy: What was it.
May: My MCM.
Amy: What is an MCM cause if that's an online thing girl hook me up cause I need a man.
May: Girl no, clicked on Insagram you see that man I posted on my page.
Amy: Yeah
May:Well thats my bae my man crush monday.
Amy:Ayyy, I love this girl right here. Where has she been.
May: You stupid.
by BreThaSaver December 26, 2016
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The definition of ones love for a man on Monday. I really have no other words to describe this.
"Dude your perf. You are now officially my MCM (Man Crush Monday)."
by GirlOfTheDay June 08, 2014
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An indoor drumline from Nashville, TN
Music City Mystique has won multiple PIW titles.
MCM is my favorite indoor drumline

I'm going to march at MCM next season.
by mgmtkidsss May 13, 2009
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