cunt nag Share definition Flag Adjective/phrase used to describe the worst type of female who constantly complains about everything. Dave: That poor dude's wife never shuts the fuck up. Mike: I know, she's a real cunt nag. cunt nag by Dnam October 19, 2017 0 0 Get merch Get the cunt nag mug. Buy Now — $32.95 See more merch