Why was Nick Young kissing a puppet and grooving like Michael Jackson over the weekend?
Don't worry -- it's 'cause he was hypnotized ... and there's video!!
It all went down at the 30th birthday bash for Warriors teammate JaVale McGee ... where Swaggy P got on stage and put under. Like, really under -- dude was OUT.
What happened next was Swaggy like you've never seen him before -- putting the moves on a puppet during a slow dance ... and crotch-grabbin' and moon-walkin' like MJ.
Of course, JaVale and the rest of the gang LOVED it. Guessing Nick's not quite as pumped.
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