J.M.D.O.

A common internet chat acronym meaning "Jacking My Dick Off." An analogue of LMAO, "Laughing My Ass Off."
Girlfriend7530: You wanna come over this evening?
Boy2458: Can't. J.M.D.O.
by honkersale May 18, 2009
Get the J.M.D.O. mug.