a person who likes to have sex on their back, most of the time they dont do most the work in bed.
or some one who lays around on their lazy ass when at work.
guy#1: damb last nite me and my girl were goin at it last nite and i was a back stroker all the way

guy#2: dam you do same thing at work to, bastard
by Pablo fly November 8, 2007
Get the back stroker mug.