The act of masturbating over an extended period of time, usually an hour, in which you simulate multiple sexual positions to increase your stamina.
Carter hadn't slept with anyone in a while, so when he though he might get lucky, he did a training run to get himself ready.
by donthinkso May 11, 2013
by No.52 September 26, 2016
by Analcheesedick September 26, 2016
by vindex parsley April 09, 2011
by Lucario6669 September 27, 2016
Variant of "run a train", which refers to a line of men each successively having sex with the object upon which the train is run. Used in this sense in the engineering world, where signal processing (dealing extensively with the impulse train) can be extremely complicated and confusing, and such material is said to thus "run an impulse train" on the student/engineer.
by Crusting Beaver November 12, 2010
A threat that has sexual implications. Where a group of men gang up on one guy and fuck his ass as a train/tag team. Often resulting in severe bleeding and bruising.
by Fact man March 06, 2018