Kenternet's definitions
Trainbow. A bunch a homosexuals runnin a train on each other. Most likely anal. Definitely butt stuff.
Hey guys, it's Bruno Mars! I bet he would love a to be on the rails when this trainbow comes steaming through his back yard.
Mitch wants to do buttstuff, so Mitch volunteered to be the caboose when his buddies invited him over for a good ol Trainbow.
Mitch wants to do buttstuff, so Mitch volunteered to be the caboose when his buddies invited him over for a good ol Trainbow.
by Kenternet January 18, 2017
Get the Trainbow mug.