The phrase "smacking lips" means making a noise by pressing your lips together and then quickly separating them, often done to show enjoyment or anticipation of something delicious. Full definition
Prep yourself for someone who smacks their lips when chewing gum. (cars.com)
Check back often for new videos, but so far we've featured Butch Lupinetti of Butch's Smack Your Lips BBQ Team on making the best rib possible, Steven Raichlen of Planet Barbecue fame following up with preparing baby back ribs, the winner of $ 100,000 for the best hamburger, and the hilarious and most - viewed Brad's Buick BBQ Tour from Austin to Atlanta. (fieryfoodscentral.com)
We have nearly finished smacking our lips after glugging down cups of the marzipan trinkschockolade when a new sign instructs us to slow because of bumps ahead. (automobilemag.com)