wouldn't say boo to a goose

(redirected from wouldn't say wouldn't say boo to a fly)

wouldn't say boo to a goose

  (British informal) also wouldn't say boo/wouldn't say boo to a fly (American/Australian informal/informal)
if someone wouldn't say boo to a goose, they are shy and nervous She wouldn't say boo to a goose, so I don't think she's cut out for a career in the police. I remember her as a quiet little girl who wouldn't say boo.
See also: boo, goose, say
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