Days after being fined for using a finger-gun gesture during a game, Ja Morant celebrated a 3-pointer by pretending to throw a grenade in the crowd.

Former NBA star Gilbert Arenas hilariously claimed that Memphis Grizzlies guard Ja Morant's grenade celebration was his idea. In a video clip from Monday's episode of his podcast, the former Washington Wizards guard jokingly suggested to Morant to mimic throwing a grenade instead of using gun gestures to celebrate on the court.

After being fined $75,000 for making finger-gun gestures, Ja Morant has a new celebration. The Memphis Grizzlies guard appeared to mimic throwing a grenade after making a 3-pointer in the third quarter against the Charlotte Hornets on Tuesday: That's the clip that was widely shared on social media,