jitbag Share definition Flag (Philly slang) Literally a used condom. Used to describe someone who’s a fucking douchebag. “Yo, jitbag! Get rid of that Cowboys jersey or get the fuck outta here!” jitbag by twistedtealight November 23, 2025 0 0 Get merch Get the jitbag mug. Buy Now — $32.95 See more merch