American English

Definition of smack adverb from the Oxford Advanced American Dictionary

     

    smack

     adverb
    adverb
    NAmE//smæk//
     
    (informal)
     
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  1. 1(also smack-dab) exactly or directly in a place It landed smack in the middle of the carpet. She kissed me smack on the lips.
  2. 2with sudden violent force, often making a loud noise The car drove smack into a brick wall. He hit me smack in the mouth.
See the Oxford Advanced Learner's Dictionary entry: smack