1 definition by Traindriver
Known among railroad nerds, this computer game was released in 2001 and officially called Microsoft Train Simulator. Now it is overused and still very slow on many computers.
Railroad nerd: Hey man, did you get the new update for MSTS?
Friend: No, I can't get it to run on my computer.
Friend: No, I can't get it to run on my computer.
by Traindriver June 6, 2009