This informal meaning refers to publicly attacking a decision, person, product, or performance through severe criticism.
Reviewers slammed the film's weak ending.
The opposition slammed the new policy.
This basketball meaning refers to scoring by forcefully pushing the ball downward through the hoop.
The player slammed the ball through the hoop.
He slammed home the winning basket.
This informal noun refers to an insulting or strongly critical statement.
The report was a slam against the previous administration.
His comment sounded like a personal slam.