The rare and unique combination of traits which are separately called “sexy” and “swagger”. Being both attractive on a physical level and aware of it on a mental level, as well as having the confidence to showcase it.
It was a stylish and sexy thing to say just as that moment. It was swixy as hell.
This girl was different, she has a certain confidence and sophistication that made her even more sexy than she already was—she was swixy personified.