wanker Share definition Flag Contradictory to belief, a wanker is not someone who masturbates. A wanker is someone who is an idiot Jack: Oh Matt's a right wanker ain't he? John: Yeah, bloody hell I hate him Matt: Cunts. wanker by Stroooker May 27, 2018 0 0 Get merch Get the wanker mug. Buy Now — $32.95 See more merch