Dickin up Share definition Flag When a guy who's less than a 5 gets a girl on the rebound who's higher than a 7. He's said to be dickin up. Man, Jeff got him a hottie he's really dickin up! Dickin up by BgH76 June 14, 2016 0 0 Get merch Get the Dickin up mug. Buy Now — $32.95 See more merch