Omcs

On my cool shii 😎🤏🏼

Guy: “how you been?”

Other guy: “omcs mane”

by sadly.imbri January 4, 2020

OMC

Oh My COD
for Call of duty players it is a replacement for OMG

~"I am gonna go play some MW2"
-"OMC INVITE ME NOWW"

by ozbodozzy April 5, 2010

OMC

Oh My Cthulhu - a replacement for "Oh My God" (aka "omg") for those who prefer one (for whatever reason, including you're not religious or you're too religious to feel comfy using "god"). OMC evokes the great chaotic deity from Lovecraftian lore. Often used humorously.

Additional exclamation replacements include:
"Cthulhu's spawn!" instead of: "Jesus Christ!"
"Praise the Chaotic One" instead of: "Praise the Lord"

anyway you'd use omg
"OMC, what was that sound?"

by CuteyPatootey April 3, 2015

omc

OTARA MILLIONIARS CLUB
An R and B group that started in otara, Auckland,New Zealand.Then moved on to the States.Paul Fueamana(bad spelling?)and co.His brother(Phil) just died Circa March 2005 rip.Best known for 'How Bizarre'.

Wow what ever happened to OMC?

by Thrushbeard March 10, 2005

OMC

Basically a replacement for OMG, but instead of god at the end I thought a more iconic figure:Charizard.
The meaning is can range from surprise to 'that's just awesome'.

Everybody I just won the lottery, OMC!
OMC, that guy just jumped off a bridge!

by HippoPenguin October 4, 2010

OMC

O.M.C=Over mature child
Used to poke fun at someone who has a mature face but likes things normally associated with children or acts childishly.

Ben: Glenn, stop being so lame and childish, stop telling me about your adventures about you and your power ranger figurines, for god's sake, you are already 21.

Glenn: Mind your own business.

Ben:Whatever, how OMC can you get?

by Spentaz September 4, 2009

OMC

To hang out with friends for a short period of time, usually for 45 - 90 minutes.
It is looked at as a bad thing to do, not very proper.

"yo can you chill today"
"I dunno, if anything it will be an OMC"

by Schnitzeled May 20, 2009