minding my own business
Also found in: Acronyms.
mind (one's) own business
To not interfere in someone else's affairs; to not pry or be nosy. Often used as an imperative. Mind your own business, will you? I can take care of my problems just fine. I really wish she would mind her own business and stop asking me about my finances. So there I was, minding my own business, when the security guard comes over and starts asking me all kinds of questions.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
(I'm just) minding my own business.
Fig. an answer to a greeting inquiry asking what one is doing. (This answer also can carry the implication "Since I am minding my own business, why aren't you minding your own business?") Tom: Hey, man, what are you doing? Bill: Minding my own business. See you around. Sue: Hi, Mary. What have you been doing? Mary: I'm just minding my own business and trying to keep out of trouble.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.