stick one's nose in
stick (one's) nose in(to) (something)
To involve oneself in an intrusive or nosy manner into something that is not one's business or responsibility. I wish my neighbors would quit sticking their noses in and just leave us alone! Liam, don't stick your nose into your brother's affairs—he can manage well enough on his own.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
stick one’s nose inverb
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.