Cooper Flagg's mother says her viral celebration after her son's thunderous dunk was in response to the "classless a-holes" that are UNC fans.

Flagg's mother, Kelly Flagg, shared a little about her trip to UNC in a post on social media after the fact in which she lambasted the Tar Heels fanbase for being "classless a-holes" and went on to explain her part in a viral moment late in the game.

The athlete's mother said UNC fans "continued to harass us with much worse being spewed in our direction" during the game