smack

1 smack /ˈsmæk/ verb
smacks; smacked; smacking
1 smack
/ˈsmæk/
verb
smacks; smacked; smacking
Britannica Dictionary definition of SMACK
[+ object]
1 
: to slap or hit (someone or something) hard
2 
always followed by an adverb or preposition : to set or hit (something) on or against something else so that it makes a loud noise
3 
US, informal : to kiss (someone) loudly

smack of

[phrasal verb]
smack of (something)
: to seem to contain or involve (something unpleasant)

smack your lips

: to close and open your lips noisily especially before or after eating or drinking
2 smack /ˈsmæk/ noun
plural smacks
2 smack
/ˈsmæk/
noun
plural smacks
Britannica Dictionary definition of SMACK
[count]
1 
: a hard slap or hit
2 
: a loud noise that is made when something hits something else in a forceful way
3 
informal : a loud kiss
3 smack /ˈsmæk/ noun
3 smack
/ˈsmæk/
noun
Britannica Dictionary definition of SMACK
[noncount]
: a small, noticeable amount of a particular thing
4 smack /ˈsmæk/ adverb
4 smack
/ˈsmæk/
adverb
Britannica Dictionary definition of SMACK
informal
: exactly or directly
5 smack /ˈsmæk/ noun
5 smack
/ˈsmæk/
noun
Britannica Dictionary definition of SMACK
[noncount] slang
: heroin
6 smack /ˈsmæk/ noun
plural smacks
6 smack
/ˈsmæk/
noun
plural smacks
Britannica Dictionary definition of SMACK
[count] British
: a small fishing boat