to smack one's lips
01
to be really excited for something that is about to happen
![to [smack|lick] {one's} lips definition and meaning](https://cdn.langeek.co/photo/42668/original/?type=jpeg "to [smack|lick] {one's} lips definition and meaning")
Idiom
Informal
Exempel
Property developers have been smacking their lips at the thoughts of getting their hands on such prime real estate.
02
to show one's strong desire to eat something by closing and opening one's mouth loudly
Exempel
She licked her lips while she waited for the food to be served.
