F-Dubs Share definition Flag Referring to gently stroking the foreskin forward (Double F) for pleasure, often acquired after getting your penile string cut. I broke my penile string bitch, gimme me some f-dubs. F-Dubs by Painfuck September 9, 2011 0 0 Get merch Get the F-Dubs mug. Buy Now — $32.95 See more merch