:-? Meaning in Chat or Text Messages Online

":-?" is an internet slang used to indicate either licking lips or tongue in cheek. This emoticon is primarily used in online conversations or chatrooms to express a range of emotions, including curiosity, confusion, or skepticism.

For instance, if someone asks you a question, and you are not sure how to respond, you may use the emoticon ":-?" to convey your confusion about the question. Similarly, if you are flirting with someone or teasing them, you may use this emoticon to depict licking your lips suggestively or tongue in cheek. For example:

Person 1: Did you hear about the new restaurant that opened downtown?
Person 2: :-? No, what about it?

In this example, Person 2 uses ":-?" to show that they are curious about the new restaurant and want to know more about it.

Another example could be:

Person 1: Hey there, that's a pretty nice car you got.
Person 2: Thanks, :-? want to take a ride in it with me?

In this example, Person 2 uses ":-?" to indicate that they are teasing Person 1 and suggestively licking their lips, inviting them for a ride in the car.