the act of savagely attacking someone for no reason, ideally in a tag team mannor to generate the most pain for the person/rat being attacked.
Hugh: hey Tom fancy a pain train
Tom: ah how about rat boy?
Hugh: safe
*stalks prey*
insert: one bang
Tom: ah how about rat boy?
Hugh: safe
*stalks prey*
insert: one bang
by PainTrain1 April 22, 2011

by Curt Mac May 13, 2005

A person who is feeling or who will be in an immense amount of pain. A somatic sensation of acute discomfort.
-Hey dude I just heard that Clay put Icy Hot on his ball sac, he's gonna be riding the pain train in a few minutes.
-Haha what a dumbass.
-Haha what a dumbass.
by C-Russ67 April 29, 2010

by Robert Swanson April 29, 2009

what every league of legends player thinks and hears when a mech zero sion uses his ultimate ability
and or a shitty friend
and or a shitty friend
by azirisnotatrahschamp December 29, 2016

by mr.snruB September 7, 2010

HERE COMES THE PAIN TRAIN
HERE COMES THE PAIN TRAIN
HERE COMES THE PAIN TRAIN
HERE COMES THE PAIN TRAIN
HERE COMES THE PAIN TRAIN
HERE COMES THE PAIN TRAIN
HERE COMES THE PAIN TRAIN
by Sosku10 August 9, 2021
