ChatterBank1 min ago
phrase
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what does '"off the wall" mean?
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For more on marking an answer as the "Best Answer", please visit our FAQ.As Bat suggests, it means nutty or eccentric. This phrase has been around for some 50 years. There is a suggestion that it may relate to enclosed ball-games - squash etc - and the erratic behaviour of a ball bouncing from a wall at a peculiar or unpredictable angle. That is, its movement takes the player by surprise, just as a "nutter's" behaviour does.