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off the wall

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off the wall

strange or very different Even though many people thought he was off the wall, they also thought he had very interesting ideas.

See also: off, wall

off the wall

Eccentric, unconventional, as in That idea of opening a 100-seat theater is off the wall. This expression probably originated in baseball or some other sport in which the ball can bounce off a wall in an erratic way. [Colloquial; 1960s]

See also: off, wall

off the wall

Slang

1. Extremely unconventional.

2. Without foundation; ridiculous: an accusation that is really off the wall.

See also: off, wall