Dictionary.com
Thesaurus.com
Showing results for chat up. Search instead for chat+up.

chat up

British  

verb

  1. to talk flirtatiously to (a person), esp with the intention of seducing him or her

  2. to talk persuasively to (a person), esp with an ulterior motive

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

chat up Idioms  
  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]