off-the-wall

(-t̸hə wôl)

adjective

Slang very unusual, eccentric, unconventional, etc.

See off-the-wall in American Heritage Dictionary 4

adjective
Informal
  1. Very unconventional or unusual: manic, off-the-wall creativity; off-the-wall humor.
  2. Exhibiting bizarre behavior; crazy: their off-the-wall friends.

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