5240 Share definition Flag 5240 means the same thing as Halo Board from IGN. "Regs" think their being creative but are actually just proving just how nerdy they actually are. omg yuo don't kno wat dah 5240 is u=n00b and me= 1337er then you !111!!!OMG WTG!2 5240 by dick butt July 10, 2004 0 0 Get merch Get the 5240 mug. Buy Now — $32.95 See more merch
