Question: what does it mean if a guy keeps licking his lips?
Answer: What It Means When He Licks His Lips. ... "We lick our lips in anticipation when we see something we desire," she says. That anticipation might even be making him feel uneasy. "When we get nervous, our saliva glands stop secreting, and our mouths get dry—leading to lip-licking," says body-language expert Patti Wood.