BRUSH-OFF
NOUNS
1942— HIGH-HATTER a self-important, stuck-up person; a snob → Amer. dial.
VERBS
1923 — PUT ON THE HIGH-HAT to give one the brush-off; to assume a superior attitude → Amer. dial.
1952 — GIVE ONE THE HIGHBALL to give the cold shoulder or a brush-off → Amer. dial.