Kevin Durant Tells Courtside Fan To 'Shut The F*** Up And Sit Down' Mid-Game

Kevin Durant wanted no part of exchanging playful banter with a courtside fan on Wednesday -- telling a man bluntly, "Shut the f*** up and sit down."

The interaction happened at some point during the Nets' game against the Mavericks at Barclays Center in Brooklyn ... when a fan urged Durant to score more points during a small break in play.

"Kevin!" the fan shouted while the NBA superstar was hunched over just feet away. "You've got to take this game over!"

Durant took about a millisecond to digest the comment -- before he unleashed a savage response.

"You've got to shut the f*** up and sit down," he said, not even taking his hands off his knees to deliver the chirp. "Sit your ass down."

Durant did ultimately try his best to take over -- scoring 23 points and logging 6 rebounds and 10 assists -- but the Nets ultimately fell to Dallas, 113-111.

After the game, a man shared video of the incident with KD on Twitter -- and Durant actually ended up responding to it -- poking fun at the fact that a fine from the NBA was no doubt heading his way.