cozy up

cozy up idiom
Try to get on friendly or intimate terms, ingratiate oneself. For example, That new woman is always cozying up to one or another club member so she'll be asked to join. [Mid-1900s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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