<p><strong>Noun</strong></p><ul><li>a loud sound produced by an explosion or sharp impact: the wham of a pile driver.</li><li>a forcible impact.</li></ul><p><strong>Interjection</strong></p><ul><li>(used as an exclamation suggestive of a loud slam, blow, or the like.)</li></ul><p><strong>Verb (used with or without object)</strong></p><ul><li>whammed, whamming.<ul><li>to hit or make a forcible impact, especially one producing a loud sound: The boat whammed into the dock. He whammed the door shut.</li></ul></li></ul><p><strong>Adverb</strong></p><ul><li>Also abruptly; with startling suddenness: The car ran wham up against the building.</li></ul>