Flux is the situation when you're in between a relationship and friends with benefits and don't know what is going to happen in the future. It can transform into more or totally fade away.
You can also have a flux when you're sure you don't want to have a relationship, but just sex is not enough. It is not as binding as a relationship and you can be friends even after the flux falls apart.

A state of indecision or uncertainty

Flux is a state of perpetual passion. Flux is the combination of beauty and intensity. You cannot learn how to be Flux, you are either Flux or you are not Flux its that simple. Flux is not giving a fuck and turning the fuck like its the last day of your life. Flux will never go out of style. Flux is everlasting. Flux is complicated to turn down bitches, however to a Flux boy its as simple as breathing. Flux boys bring the party wherever they go, they bring the intensity to every interaction, they suck the marrow out of life and encourage others to live life on fire. Flux is inspiring. Flux is greatness. Flux is Flux.

Straight savage or on fleek. To be awesome or spectacular.

Refers to the amount and rate at which a liquid (or gas) enters or leaves a surface. Mostly used in engineering courses, but it is also seen in vector calculus.

The Flux - An archaic medical term, meaning being very sick, with the simultaneous occurrence of vomiting and diarrhea.

A substitute for the swear 'fuck' used by a few science-fiction nerds in Canada and the United States.