Real Dictionary

smack
verb: If you smack someone, you hit them with your hand.

smack in American English 1
a sharp noise made by pressing the lips together and parting them suddenly, as in showing enjoyment of a taste
to make a loud, sharp noise, as on impact
to press (the lips) together and part them suddenly so as to make a smack
with or as with a smack; violently; sharply
intransitive verb: to have a taste, flavor, trace, or suggestion
noun: a taste or flavor, esp. a slight flavor distinctive or suggestive of something

smack in American English 2
a distinctive taste or flavor, esp. one that is faint or slight
to have a smack (of)
adverb: suddenly and violently
intransitive verb: to smack the lips
noun: a sharp, resounding blow, esp. with something flat
transitive verb: to strike sharply, esp. with the open hand or a flat object

smack in American English 3
a small sailboat, usually rigged as a sloop
noun: a fishing vessel, esp. one having a well for keeping the catch alive

smack in American English 4
noun: heroin

smack in British English 1
noun: a smell or flavour that is distinctive though faint
verb: to have the characteristic smell or flavour (of something)

smack in British English 2
noun: a sharp resounding slap or blow with something flat, or the sound of such a blow
verb: to strike or slap smartly, with or as if with the open hand

smack in British English 3
noun

smack in British English 4
noun: a sailing vessel, usually sloop-rigged, used in coasting and fishing along the British coast