smack (one's) lips(redirected from smack lips)
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Related to smack lips: paying lip service, curled lip
smack (one's) lips
1. Literally, to lick one's lips in anticipation of eating something delicious. This nutritious recipe is sure to have your kids smacking their lips!
2. By extension, to eagerly anticipate something with great pleasure. Property developers have been smacking their lips at the thoughts of getting their hands on such prime real estate.