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15.
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 whole number to represent that number in the millions.
That armor is so expensive! It costs 100m!
by Dark_Loki October 30, 2006
 
16.
M
the über-abbreviation for "yes", derived from abbreviating "mhm" to a single letter
"did you like Atlas Shrugged?"
"M"
"oh, me too!"
by vicepresident45 January 01, 2012
 
17.
m
M is the 13th letter of the alphabet, stands for marijuana.
I got the letter M tattood on my bicep. The 13th letter of the alphabet. Stands for marijuana, the way that it oughta, the way a letter oughta.
by Aaron911 February 08, 2007