GIVE THE BRUSH OFF

{v. phr.} 1. To refuse to hear or believe; quickly and impatiently; not take seriously or think important. * /John brushed off Bill's warning that he might fall from the tree./ * /I said that it might rain and to take the bus, but Joe gave my idea the brushoff./ * /Father cut his finger but he brushed it off as not important and kept working./ 2. {informal} To be unfriendly to; not talk or pay attention to (someone); get rid of. * /Mary brushed off Bill at the dance./ * /I said hello to Mr. Smith, but he gave me the brushoff./ Compare: COLD SHOULDER, HIGH-HAT. Contrast: GET THE BRUSH OFF.