Back Strokin' Share definition Flag When you are masturbating with your hand reversed and placed on top of the penis, instead of below or on the side. I like to do some back strokin' when I want to remember those great times with my uncle.. Back Strokin' by Duckbill Platypus July 7, 2009 0 0 Get merch Get the Back Strokin' mug. Buy Now — $32.95 See more merch