get the brush-off
to be ignored or sent away
I got the brush-off when I asked the girl to dance.

[TahlilGaran] English Idioms Dictionary ▲

get the brush off
v. phr., slang
1. To be paid no attention; not be listened to or thought important.
My idea for a party got the brush-off from the other children.
2. To be treated in an unkind or unfriendly way; be ignored.
Frank and Jane had an argument, so the next time he telephoned her, he got the brush-off.
Compare: COLD SHOULDER, HIGH-HAT.
Antonym: BRUSH OFF.

[TahlilGaran] English Idioms Dictionary ▲