a sharp slap or blow, typically one given with the palm of the hand

she gave Mark a smack across the face

strike (someone or something), typically with the palm of the hand and as a punishment

Jessica smacked his face, quite hard

part (one's lips) noisily in eager anticipation or enjoyment of food or drink

Morgan drank half the Scotch and smacked his lips

crack (a whip)

the four postilions smacked their whips in concert

in a sudden and violent way

I ran smack into the back of a parked truck

exactly; precisely

our mother's house was smack in the middle of the city

have a flavour of; taste of

the tea smacked strongly of tannin

a flavour or taste of

anything with even a modest smack of hops dries the palate

a single-masted sailing boat used for coasting or fishing

the village still harbours a few fishing smacks

heroin

I was out scoring smack