messi is a team player , he has more ballon' dors , he's played natioanally with shit tm8s (therefore why he lost wc in 2014) , 0.87 goals per game. GOAT means 'Greatest of all time'. Because Messi has done so much, produced so many magic moments, won so many trophies, scored so many goals, he is called the GOAT, i.e. Greatest of all time.
smh u dont understand reference whatsoever