M 

Short for MDMA (methylenedioxymethamphetamine)

Yo, that M got me feeling like a champion.

M by Minem September 27, 2009

M 

Slang for the drug 'mentos'.
Highly addictive and is usually taken as a social drug, and breath freshener.

Whispers, "Hey Sarah...Got an M?"

M by Sez and Vi November 2, 2007

m 

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?

m by Dark_Loki January 3, 2007

M 

1.Short for La M or eme.
2.The Mexican Mafia.

La M has spread to many states.

M by ASESSINO January 30, 2004

M 

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...

M by brian July 12, 2005

M 

The elusive place known mostly as the M, M, or GenMay

M by TFA March 27, 2003

M 

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M by comedykun April 22, 2021