<p><strong>Noun</strong></p><ul><li>A person who jokes.</li><li>One of two extra playing cards in a pack, usually imprinted with the figure of a jester, used in some games as the highest card or as a wild card.</li><li>A clause or expression inserted in a legislative bill with the unavowed object of defeating the ostensible purpose of the bill if passed.</li><li>A seemingly minor, unsuspected clause or wording that is put into an agreement, legal document, etc., to change its effect.</li><li>An unexpected or final fact, factor, or condition that changes or reverses a situation or result completely.</li><li>Any method, trick, or expedient for getting the better of another.</li><li>Informal: a man; fellow; chap.</li><li>A person who thinks they are very funny; prankster.</li><li>Informal: a wise guy; wiseacre; smart aleck.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>To speak or act in a playful or merry way.</li><li>To say something in fun or teasing rather than in earnest; be facetious.</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>To subject to jokes; make fun of; tease.</li><li>To obtain by joking.</li></ul>