Hdub Share definition Flag (Ahcha duh-b) When a bro "homewrecks" for a particular hot girl with a dumb/faggot boyfriend already. A: Damn did you hdub that snow? J: FUCK YEA, CREAMPIE ALL NIGHT. Hdub by demisePM December 19, 2008 0 0 Get merch Get the Hdub mug. Buy Now — $32.95 See more merch