slang Short for "none of your (business)," meaning, "Not your place to be concerned or involved with (something)." A: "Hey, I saw you talking to Jack earlier. Are you two going to start dating or something?" B: "Nunya, Sarah." A: "What does nunya mean?" B: "Nunya business, that's what!"
See also: nunya
phr. none of your [business]. Nunya. Why do you want to know?