Used to place emphasis on certain words. Usually implies sarcasm or feigning seriousness

the thing that you don’t have when you’re phones percentage is over 20

A simple, albeit pretentious, way to inform others that you are both cute and fancy.
Usu. connotes an air of sarcasm, if not fully calling oneself out on being absolutely ridiculous and/or silly in how boisterous, disgustingly "cutesie," or self-important one's statement is.