<p><strong>Noun</strong></p><ul><li>a person or thing that sucks.</li><li>Informal: a person easily cheated, deceived, or imposed upon.</li><li>an infant or a young animal that is suckled, especially a suckling pig.</li><li>a part or organ of an animal adapted for sucking nourishment, or for adhering to an object as by suction.</li><li>any of several freshwater, mostly North American food fishes of the family Catostomidae, having thick lips: some are now rare.</li><li>Informal: a lollipop.</li><li>the piston of a pump that works by suction, or the valve of such a piston.</li><li>a pipe or tube through which something is drawn or sucked.</li><li>Botany: a shoot rising from a subterranean stem or root.</li><li>Informal: a person attracted to something as indicated: He's a sucker for new clothes.</li><li>Slang: any person or thing: He's one of those smart, handsome suckers everybody likes. They're good boots, but the suckers pinch my feet.</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>Slang: to make a sucker of; fool; hoodwink: another person suckered by a con artist.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>to send out suckers or shoots, as a plant.</li></ul>