<p><strong>Verb (used without object)</strong></p><ul><li>to eject stomach gas noisily from the mouth; burp</li><li>to emit contents violently, such as a gun, geyser, or volcano</li><li>to gush forth</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>to eject (flame, smoke, gas, etc.) violently or in bursts; give forth</li></ul><p><strong>Noun</strong></p><ul><li>an ejection of stomach gas from the mouth</li><li>a violent emittance of flame, smoke, gas, etc.</li></ul>