incredibitch Share definition Flag 1. Someone so bitchy it's unbelievable.2. Alternatively, something quite bitchingly awesome. 1. My wife is being an incredibitch.2. Lady Gaga's new song is incredibitch! incredibitch by Zagaloo November 25, 2009 0 0 Get merch Get the incredibitch mug. Buy Now — $32.95 See more merch