Shawn Long dunks on Lebron and taunts. Kyrie Irving reminds him of the reality of the situation

Kyrie Irving shows off his handles and scores a tough layup

Kyrie destroys Tatum on the fast break

Donovan Mitchell dances in the lane and levitates for the dunk

When I think of "violent dunks", this one is always the first that comes to mind. Notice the guttural sound.