<p><strong>Noun</strong></p><ul><li>a loud, sudden, explosive noise, as the discharge of a gun.</li><li>a resounding stroke or blow: a nasty bang on the head.</li><li>Synonyms: cuff, bash, sock, wallop, box, clout, smack.</li><li>Informal: a sudden movement or show of energy: He started with a bang.</li><li>energy, vitality, spirit: The bang has gone out of my work.</li><li>Informal: sudden or intense pleasure; thrill; excitement: a big bang out of seeing movies.</li><li>Slang: an act or instance of sexual intercourse.</li><li>Printing and Computer Slang: an exclamation point.</li></ul><p><strong>Adjective</strong></p><ul><li>unusually abundant: Bumper crops reaped a big profit for local farmers.</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>to fill to the brim.</li></ul>