"Licking behavior" refers to the act of repeatedly running one's tongue over a surface or object. It is common in animals like cats and dogs, but can also be observed in humans. Full definition
A Chihuahua may engage in excessive licking behavior as a form of affection or because of an unresolved health issue. (reference.com)
It should be understood that the phenomenon is closely related to a cat's licking behavior as part of its grooming ritual and as a kind of soothing mechanism. (mypetneedsthat.com)
Be suspicious if your cat's licking behavior varies from day to day, week to week or month to month when nothing else in its life has changed. (2ndchance.info)