Question: what is the meaning of the expression turn up?
Answer: Turn up, in case you didn't know, is slang the kids use these days, a verb meaning get loose, get wild, etc. (No, it's cool, I had to Urban Dictionary it.) ... Turn up is both a moment and a call, both a verb and a noun. It is both anticipatory and complete. It is thricely incantation, invitation, and inculcation.