b'jawn Share definition Flag A word used by Philly cats and Cheltenham kids used to describe anything or everything without using the word jawn. Basically, it's a cooler way to say jawn. Look at that b'jawn! My sister's at the b'jawn. I ate three of them b'jawns. b'jawn by DMonster November 28, 2007 0 0 Get merch Get the b'jawn mug. Buy Now — $32.95 See more merch