Bet-nan Share definition Flag A Nan, or Gran, who doesn't mind gambling her family's lives away, she will do anything for a good bet. "who's got the bet-Nan?""you, you illiterate fuck" Bet-nan by reece cotterill November 6, 2019 0 0 Get merch Get the Bet-nan mug. Buy Now — $32.95 See more merch