a nod is as good as a wink to a blind bat

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a nod is as good as a wink to a blind bat

It is unnecessary to explain or elaborate upon something because one already understands or knows about it in full. This particular variant of the phrase was popularized by the British sketch comedy show Monty Python's Flying Circus. No need to tell me what you were up to last night—a nod's as good as a wink to a blind bat. Oh, you had the pleasure of dealing with Mr. Myers today? Say no more—I've been there. A nod is as good as a wink to a blind bat. A: "He wouldn't tell me why he's so grouchy, just that he has family staying with him." B: "That explains it then. Come on, a nod is as good as a wink to a blind bat."
See also: bat, blind, good, nod, to, wink
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
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