Nunya phrase informal slang
None of your (business).
Nunya. It's just my own affair of honour.
Nunya, Mina. Stop pestering me.
Go away! Nunya, Kim.
Be one's concern, responsibility, or field of expertise.
If you say that you are racked with insecurity, you mean that you are obsessed with, or being overwhelmed by an excessive sense of insecurity.
If you say you creep someone out, you mean that you make someone feel nervous or fearful.
If you say you have something hanging over your head, you mean that something unpleasant makes you worry or unable to relax or enjoy life.