smack

1 verb (T)

1 to hit a child with your hand in order to punish them: To bed now, or I'll smack your bottom!

2 to hit something against something else so that it makes a short loud noise: smack sth against/into etc: He smacked his fist against his palm.

3 smack your lips to make a short loud noise with your lips because you are hungry

4 BrE informal to hit someone hard with your closed hand; punch 1 (1): Say that again and I'll smack you!

smack of sth phrasal verb (T) if something smacks of dishonesty, desperation etc it seems to contain some of that quality: I don't want to say anything that smacks of disloyalty. 2 noun

1 (C)

a) a hit made with your hand held flat, especially to punish a child: Quiet, or I'll give you a smack!

b) BrE informal a hard hit with your closed hand; punch 2 (1)

2 (C) a short loud noise caused especially when something hits something else

3 give sb a smack on the lips/cheek informal to kiss someone

4 have a smack at BrE informal to try to do something

5 (U) slang heroin (=a dangerous illegal drug)

6 (C) a small fishing boat

3 adverb informal

1 exactly or directly in the middle or in front of something: smack in the middle/in front of etc: There was a hole smack in the middle of the floor. | smack-bang BrE

/smack-dab AmE: The plane was stuck there, smack-dab in the middle of the lake!

2 if something moves smack into or against something, it hits it with a lot of force, making a loud noise: The car ran smack into the side of the bus.