MC is short for Monster Cock. Aka, a monstrously huge penis.
"Dude, why is that girl limping so badly?"
"She probably took an MC last night"
by Tedddd April 1, 2007
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Oh what a MC!
Ur such a MC!
by theMC's June 18, 2011
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MC stands for "Masturbating consistently", and common problem among today's youth
Tonight I'm going to MC to pictures of little Asian dogs until my cock falls off.
by LittlePener39 March 7, 2017
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By far the coolest and, more importantly, most caring teacher in the history of the universe. Her student-advocate award next to her bookshelf says it all. One might say she may even be “too caring”. However, those people are obviously stupid. MC is the type of teacher you can talk to when your grade isn’t looking too good and the type of teacher you can talk to when your life isn’t looking too good. MC is the type of teacher that literally always has your back, even when you crush cheez-itz in her clean chrome books. MC is the type of teacher you can call your friend without looking like a complete frickin loser. MC is the type of teacher to act like she gets irritated then get called out for faking it. MC is the type of teacher that is hands down, truly the best teacher in the history of the world.
Joshua- “Hey Kevin. Is Emily still being an asshole?”

Kevin- “Yeah. It’s okay though cuz MC has my back on this.”
by liebensteinowitzberg April 30, 2019
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Malden Catholic: A somewhat small Catholic high school located in Malden, Massachusetts. Ranked as the best high school in America in 1999, dedicated teachers and administrators help foster the Xaverian community of the school. A result of same-sex education, a sense of brotherhood develops among students through their high school experience.

If you do not like lacrosse, are a minority, believe that religious teachings should not spill over into intellectual studies, do not go to Mass everyday, like good food, like girls, are secure in your ethnicity and have common sense (or humility for that matter), don't come here.

Otherwise, partake in our wonderful rugby program where your failing grades and soul get washed away! Thanks Macca!
Why are there no stairs at MC?

Because fairies can fly! Or more accurately, because grade inflation lifts their heads higher!
by Silent Dogood August 19, 2006
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I'm the MC in this piece
by inequitable November 10, 2002
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Whether you are in a cutty, a MC, or a Regal, you gangsta pimp.
by Yaboyace July 22, 2005
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