jb30 Share definition Flag a dude who can’t keep his composure and begs for admin every 5 seconds and thinks he’s the shit when he’s a new zealander aye bro you know jb30 ? yeah the dude who thinks he’s all that jb30 by Makoa999 May 18, 2023 0 0 Get merch Get the jb30 mug. Buy Now — $32.95 See more merch