smack >> /smæk/
Definition: [transitive verb] Strike (someone or something), typically with the palm of the hand and as a punishment.
Example: Jessica smacked his face quite hard
Definition: [adverb] In a sudden and violent way.
Definition: [adverb] Exactly; precisely.
Definition: [noun] A sharp slap or blow, typically one given with the palm of the hand.
Example: she gave Mark a smack across the face