a loud sound produced by an explosion or sharp impact

the wham of a pile driver.

a forcible impact.

(used as an exclamation suggestive of a loud slam, blow, or the like).

to hit or make a forcible impact, esp. one producing a loud sound

The boat whammed into the dock. He whammed the door shut.

Also, whammo. abruptly; with startling suddenness

The car ran wham up against the building.

noun

bang , clout , crack , hit , lick , pound , slug , sock , swat , thwack , welt , whack , whop , crash , smash

verb

bash , catch , clout , knock , pop , slam , slog , slug , smash , smite , sock , strike , swat , thwack , whack , whop , bang , blow , crash , hit , whammy