Bulb Wanker Share definition Flag A vehicle which is being driven on the road whilst having at least one light bulb out. Fucking bulb wanker! (At this point you will flash your full beam at the offender.) Bulb Wanker by Charbear-Hodgedawg February 23, 2011 0 0 Get merch Get the Bulb Wanker mug. Buy Now — $32.95 See more merch