titty wanker Share definition Flag Someone who masturbates womens' breasts to make milk squirt out. Can be used as an insult to show a man's ass kissing. That guy is such a titty wanker for that chick. titty wanker by dictionaryfiend December 15, 2012 0 0 Get merch Get the titty wanker mug. Buy Now — $32.95 See more merch