<p><strong>Noun</strong></p><ul><li>a thick, tubular case for the hands, covered with fur or other material, used by women and girls for warmth and as a handbag.</li><li>a bungled or clumsy action or performance.</li><li>Sports: a failure to hold onto a ball that may reasonably be expected to be caught successfully.</li><li>a tuft of feathers on the sides of the head of certain fowls.</li><li>Slang: Vulgar: a woman's pubic area.</li><li>muff glass.</li></ul><p><strong>Verb</strong></p><ul><li>Informal: to bungle; handle clumsily: He muffed a good opportunity.</li><li>Sports: to fail to hold onto (a ball that may reasonably be expected to be caught successfully); fumble.</li><li>Verb (used without object): Informal: to bungle; perform clumsily.</li></ul>