LeBron James heard the Nuggets talkin' spit about the Lakers during their championship parade on Thursday ... and now, the NBA superstar is clapping back HARD.
In case you missed it, Michael Malone threw shade at reports of LBJ considering retirement after losing to Denver in the Western Conference Finals ... cracking jokes and claiming he was going to hang it up for good, too.
There was also a cringe moment at the rally, where Malone was referred to as "the Lakers' daddy.