Usually written in all caps for maximum effect, this is a smug declaration of quasi-random physical affection with someone of the male gender. May result from HEE HEE PET PET and lead to chin-chap and/or BUMPIN' AND LOVIN' IN THE BED.
Dakota smiled lazily and announced to her friend, "My lips are chapped... from MAKIN' OUT WITH SOME BOY last night!"
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.