definition of a Tube Stroker is a military term used to describe some one whos job is mortarman, for their tube stroking motions.
by Po-Mak August 19, 2009
Tubestroker: a US Marine who decides "Fuckit!" and chooses the Infantry Mortar-man MOS, 0341. He is therefore entitled to absolutely nothing and sits on his ass in Afghanistan waiting for a fire mission. Way to spend four years, Marines.
by yournamegeoff June 16, 2018