none of beeswax
none of someone's beeswax
Inf. none of someone's business. (Jocular.) It's none of your beeswax. I'm not telling. You'll never know. The answer is none of your beeswax.
none of your beeswax(American & Australian informal)
an impolite way of saying that you do not want someone to know about your private life 'So where the heck have you been?' 'None of your beeswax!'