Jac00b Share definition Flag Someone who is a n00b in UT or a lamer. OMG, U CHEAT0R! Aimbot! Wallhack! I OWNZ J00 ALL! I R 1337 H4X0R! Den prokeitai na sas xanaferw tis pantofles paliogays! <- Jac00b Jac00b by Someone July 6, 2004 0 0 Get merch Get the Jac00b mug. Buy Now — $32.95 See more merch