jalo Share definition Flag is a jewish halo. Just like the catholic's have Halos. But its not a cricle its in the shape of the Star of David. And it tends to spin after awhile. ME:dude i wish i coudl grab geffs Jalo. Geff:(kicks Me in leg) jalo by joey salesmen February 27, 2008 0 0 Get merch Get the jalo mug. Buy Now — $32.95 See more merch