To dream of licking something represents sensing of something new. Cautious or careful “tasting” of a situation. Risking testing something. Socially prodding or testing someone before getting more serious.
Alternatively, it may reflect how content or satisfied you are with a person or situation. Believing something isn’t a big deal.
To dream of licked may reflect a person or situation that you feel is cautiously testing you or feeling you out. It may also reflect someone who is satisfied with you behavior.
Example: A man dreamed of seeing a cat licking a security camera. In waking life his neighbor joking approached him about an anonymous complaint he had made while having no idea that he actually made the complaint.