Generation MMX Share definition Flag Term for those born in the 2010 decade. MMX is 2010 in Roman Numerals. The first baby born on on New Years Day in 2010 is the first Generation MMX 'er! Generation MMX by yeshua2000 January 1, 2010 0 0 Get merch Get the Generation MMX mug. Buy Now — $32.95 See more merch
