Sixers fans chant 'KD sucks'.

The Thunder fans start chanting ref you suck with 630 minutes remaining in the 4th quarter of Game 1

Sixers announcer You know the drill on 3 'Let's Go Sixers' as loud as we can Here we go 1-2-3 Let's Go Sixers - Crowd boos

Cavaliers fans chanting 'Let's go Cavs' in game 7 in Detroit

Joel Embiid scores the And-1 tip in and receives REALLY loud boos from the Knicks fans in Philly

OKC Thunder fans returning the favor and chanting flopper at Wembanyama at the free throw line

Loud 'Let's go Knicks' chants in Cleveland