chat up

chat up idiom
  1. Talk flirtatiously to, as in Leave it to Charlie to chat up the girls. This usage is mostly but not entirely British. [Late 1800s]
  2. Engage in light, friendly talk, as in He was soon chatting up all the board members. [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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