boo jib Share definition Flag a jib of boo. a small quantity of marijuana, usually a broken off piece of a larger bud. got any boo jibs? dude, i snaked a thork pinch of my dads ganny boo jibs! boo jib by ivan stratego May 22, 2006 0 0 Get merch Get the boo jib mug. Buy Now — $32.95 See more merch