20 man deep Share definition Flag British/stormzy's slangWhen you have 20 big strong people in ur squad/gang "Bruv,mans be rolling in a 20 man deep ting""Don't fuck with them 20 man deep" 20 man deep by weez6 October 14, 2015 0 0 Get merch Get the 20 man deep mug. Buy Now — $32.95 See more merch