wham
Pronunciation: (hwam, wam), [key] — n., interj., v., adv. whammed, wham•ming,
—n. - a loud sound produced by an explosion or sharp impact: the wham of a pile driver.
- a forcible impact.
—interj. - (used as an exclamation suggestive of a loud slam, blow, or the like).
—v.t., v.i. - to hit or make a forcible impact, esp. one producing a loud sound: The boat whammed into the dock. He whammed the door shut.
—adv. - abruptly; with startling suddenness: The car ran wham up against the building.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.