Term used by gamers in Red Alert 2 and Starcraft in conjunction with "GL HF" in order to sway the opponent into wasting time with questioning what it means.
Me: GL HF MN DL
Opponent: What does MN DL mean?
Opponent: Hello? What is that?
Opponent: I dont get it...
Opponent: What does MN DL mean?
Opponent: Hello? What is that?
Opponent: I dont get it...
by SwayDawg January 8, 2012