American English

Definition of butt noun from the Oxford Advanced American Dictionary

      

    butt

     noun
    noun
    NAmE//bʌt//
     
     
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  1. 1 (informal) the part of the body that you sit on synonym buttock Get off your butt and do some work! Get your butt over here! (= Come here!)
  2. 2the thick end of a weapon or tool a rifle butt
  3. 3the part of a cigarette or cigar that is left after it has been smoked an ashtray full of cigarette butts
  4. 4the act of hitting someone with your head a butt from his head
  5. Idioms
    be the butt of something
     
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    to be the person or thing that other people often joke about or criticize synonym target She was the butt of some very unkind jokes.
    kick somebody's ass/butt (slang)
     
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    (impolite) to punish or defeat someone
    a pain in the butt/neck (informal)
     
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    a person or thing that is very annoying
See the Oxford Advanced Learner's Dictionary entry: butt