To severely damage or mutilate something by cutting, tearing, or crushing. The machine malfunctioned and mangled the metal sheet beyond recognition.
To spoil or ruin something, especially a piece of writing or a performance, by making mistakes or being clumsy. He mangled the speech by mispronouncing several key words.
To press or smooth (laundry) by passing it through a mangle. After washing, the sheets were mangled and hung out to dry.