give someone the brushoff

give (someone) the brush-off

To reject, snub, ignore, or rebuff someone. I thought Rebecca was a good friend until she gave me the brush-off at a party last weekend. Teachers have accused local politicians of giving them the brush-off regarding proposed cuts to pensions and school funding.
See also: give
Farlex Dictionary of Idioms.

give someone the brushoff

tv. to repel someone; to ignore someone. (see also brushoff.) The manager gave her the brushoff when she asked for a raise.
See also: brushoff, give, someone
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • give (someone) the brush-off
  • make an impression
  • leave an impression
  • have a brush with
  • have a brush with (something)
  • brush over
  • back of one's hand
  • the back of (one's) hand
  • snub up
  • freeze