Jalen Brunson made his mysterious 3-point celebration hand gesture a meme for Knicks fans

The Knicks defeated the Cavaliers during the first round of the playoffs in the Eastern Conference and the vibes are immaculate. Jalen Brunson, who averaged 24.0 points with 4.2 rebounds and 4.8 assists per game during the five-game series against Cleveland, is establishing a tone for winning basketball in New York. It also seems he is having a lot of fun while doing it, and you saw some of that emotion after he connected on his 3-pointers during the series. After the shots from beyond the arc landed, we saw a new celebration from Brunson. With his hand up to…