Definition of yap verb from the Oxford Advanced American Dictionary

     

    yap

     verb
    verb
    NAmE//yæp//
     
    Verb Forms present simple I / you / we / they yap
     
    he / she / it yaps
     
    past simple yapped
     
    -ing form yapping
     
     
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  1. 1[intransitive] yap (at somebody/something) (especially of small dogs) to bark a lot, making a high, sharp, and usually irritating sound The dogs yapped at his heels. yapping dogs
  2. 2[intransitive] (informal) to talk in a silly, noisy and usually irritating way