two shakes of a barber's dick Share definition Flag A short length of time. An idiom of assurance that results will follow post-haste. I'll be there in two shakes of a barber's dick. two shakes of a barber's dick by francoi$ December 13, 2009 0 0 Get merch Get the two shakes of a barber's dick mug. Buy Now — $32.95 See more merch
