recherchez un mot, comme fellated :
 
1.
mm2
A Saying in Counter-Strike meaning literally "messagemode2" or "team talk only"
Dudes, MM2 only please
de Jessen 15 juillet 2003
254 60
 
2.
mm2
mm2 can be used outside of gaming. It would be replacement to the commonly used and much loved acronym, STFU.

Only this time you are telling someone to mm2, and they're the only person on their team.
Listen to some idiot talking and then say, "mm2"
de shoesy 15 mars 2005
45 68