Mic controller- usually refferted to in underground rap. Mic controller being the one with the mic, rapping.
which MC is Dj whispa gunna spin fo tonight?
by DJ Whispa June 12, 2004
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Also known as "callmemc." Hailing from the streets of San Diego, she has lived her life an absolute thug. She hustles on the streets of Berkeley, and is known to make guest appearances at Bridges, where she does V12s. Her awesomeness inspires the term, which is used in reverence.

The phrase "mc" is used to refer to someone who is very accomplished, attractive, and uses OpenMP.
Person A: "Dang, guys! Did you hear about what that girl did the other day? She did magic while solving a rubiks cube while breakdancing on a resistance board!"
Person B: "Wow...that's so mc"
by blueprint November 25, 2013
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some who holds a joint while talking,thus fucking up the rotation.
by sky May 09, 2003
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an MC is a hip hop rhymer. RAPPERS ARE NOT MC'S. MC's are from the Hip Hop Genre, Which is completely different than Rap. Rappers rhyme about gold jewelry, loose women, and gang-banging on machine-produced beats. MC's rhyme about real life, everday life, on beats produced by DJ's. an MC(master of ceremones or Mic Controller) is the main man of the hip hop show/album
Zion is an MC. TU is an MC. Mos Def and Kweli are MC's. Murs is an MC.

E-40 is NOT an MC, he is a rapper. Chingy is not an MC. G-Unit ARE THE COMPLETE OPPOSITES OF MC'S. Those last 3 are Rappers. Rap is a completely different artform than hip hop.
by havolution October 29, 2006
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(not to be confused with the prefix Mc-)

1. a the host of an event or performance, musical or otherwise, a master of ceremonies

2. to be the host of an event or performance
The MC looked like he had not had a rest in days.
by The Return of Light Joker June 17, 2008
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