You don't see this one often.
It's James Johnson neck tattoo sticker giveaway night in Memphis (you read that correctly), and James Johnson wasted no time joining the celebration:
And here's the GIF via Matt Moore:
That's typically the way this happens: a guy gets caught off his feet and has to get rid of the ball. Jamal Crawford made an art of it in New York. Kobe Bryant has a classic one. LeBron James has one, too. And now James Johnson. On his special sticker night, no less.