The 13th letter of the alphabet. Used widely in online games to reduce the amount of zeros in online currency . The "m" is used after a number to represent that number in the millions. Anything under one million is represented with k after the number.
That armor is so expensive! It costs 100m!

Hey do you have 79.9m I can borrom?
by Dark_Loki November 02, 2006
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Slang for the drug 'mentos'.
Highly addictive and is usually taken as a social drug, and breath freshener.
Whispers, "Hey Sarah...Got an M?"
by Sez and Vi October 17, 2007
Short for MDMA (methylenedioxymethamphetamine)
Yo, that M got me feeling like a champion.
by Minem September 26, 2009
1.Short for La M or eme.
2.The Mexican Mafia.
La M has spread to many states.
by ASESSINO January 30, 2004
the ESRB rating that stands for Mature, 17+. It basically means it has lots of violence or sex and stuff, and that stores are supposed to check id's when selling the game (unfortunatley, they actually do)
darn that m rating!!! It means I can't sneak out and buy Grand Theft Auto San Andreas at Best Buy. I guess I can try downloading it...
by brian July 01, 2005
When texting or instant messaging it's used as a response to something awkward.
Maui: I know I've only seen you for 3 weeks now, but I think I love you.
Le Drako:M
by helpabrotherout September 05, 2011
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