1. (Noun) A facial feature wherein an individual's lips are unusually moist with a greenish tint, typically from consuming mucous deposits. This is a common condition among toddlers, who experiment with bodily excretions through taste sensations. The condition usually diminishes with age, but persists among individuals with poor social skills.
2. (Noun) An individual who consumes mucous deposits, often resulting in residue upon the lips.
(Concerned parent) Doctor, can you tell me why my child's lips are green?
(Primary care physician) It appears that your child may be suffering from boogerlips.