Identical to " Figuratively Speaking"
Simply it means, when you say something which is not really true or realistic but you use it for expressing the intense of the circumstance. Obviously it is not similar to " Literally" or " Literally speaking". Literally means that is exactly true but metaphorically is when it's not true is just use to express the intense. Check the example to figure it out properly.

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.

Something that is used in Reference to something that isn't real but more something of an idea.

Used in a metaphor,
something my best friend Erin doesn't get <33333

a figure of speech in which a term or phrase is applied to something to which it is not literally applicable in order to suggest a resemblance or to give more emphasis.