14M3 Share definition Flag alternate numerical/alphabetical spelling of lame using standard convention: 1=L, 4=A, 3=E. FairJuliet: OMG, that n00b is so 14M3! 14M3 is as 14M3 does. 14M3 by wehrmacht July 5, 2004 0 0 Get merch Get the 14M3 mug. Buy Now — $32.95 See more merch