Sniffers Knob Share definition Flag When after a night of too much powdered substances your penis becomes slightly shrivelled and harder to find Fucking hell mate I've got a bad case of sniffers knob today Sniffers Knob by Shaunyboy September 15, 2013 0 0 Get merch Get the Sniffers Knob mug. Buy Now — $32.95 See more merch