Air tight Share definition Flag A popular term used in warhammer 40K, when one player owns all 3 objectives in no man’s land. Wow Ken put all 3 Norn Emissary’s on no man’s land objectives, he’s got that shit air tight. Air tight by gergggg May 13, 2025 0 0 Get merch Get the Air tight mug. Buy Now — $32.95 See more merch