smack
adverb/smæk/
/smæk/
(informal)- (North American English 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.
- with sudden, violent force, often making a loud noise
- The car drove smack into a brick wall.
- He hit me smack in the mouth.
Word Originadverb mid 16th cent. (in the sense ‘part (one's lips) noisily’): from Middle Dutch smacken, of imitative origin; compare with German schmatzen ‘eat or kiss noisily’.
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smack