low halo Share definition Flag When a guy is on his knees sucking another guy off and gets cum around the perimeter of his mouth; resembling a shimmering halo. I heard Bobby gave Tom a low halo while his girlfriend was out of town. low halo by Gamma89 June 22, 2018 0 0 Get merch Get the low halo mug. Buy Now — $32.95 See more merch