get under skin
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get under (one's) skin
1. To become a source of irritation. I just can't stand Dean's voice, so everything he says gets under my skin.
2. To be a source of obsession. I can't get that beautiful girl I met earlier off my mind. She's just gotten under my skin.
3. To gain a rich, thorough understanding of one. A: "How did you know he would make that decision?" B: "Oh, I feel like I've gotten under his skin since we've been spending so much time together lately."
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
get under someone's skin
Fig. to bother or irritate someone. John is so annoying. He really gets under my skin. I know he's bothersome, but don't let him get under your skin.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
get under (someone's) skin
1. To irritate or stimulate; provoke.
2. To preoccupy someone; become an obsession.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
get under someone's skin, to
To annoy someone. This expression no doubt alludes to the irritation caused by burrowing insects, which can cause intense itching. Cole Porter, however, used the expression quite differently in his song, “I’ve Got You under My Skin” (from Born to Dance, 1936), which describes a romantic addiction to a person rather than an insect infestation or a persistent annoyance.
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer