Unlike other similar faces (like ^_^), this is supposed to look like eyebrows, with one raised.

A cultural and aesthetic mind-state that prioritizes making money, even as an “underground” or “radical” creator. The work isn’t made for money, but it’s the money that matters the most.

To show one's acknowledgement to something by raising an eyebrow. -_^ can be used in various contexts; it can mean one is excited, aroused, inquisitive, curious, or just stimulated in general.