How should I know?


Also found in: Acronyms.

How should I know?

 and Don't ask me.
Inf. I do not know.; Why should I be expected to know? (Shows impatience or rudeness.) Bill: Why is the orea called the killer whale? Mary: How should I know? Sally: Where did I leave my glasses? Tom: Don't ask me.
See also: how, should
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