scare (someone) silly

(redirected from scared one silly)
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scare (someone) silly

To shock or frighten someone very suddenly and/or severely. (Hyperbolically alludes to frightening someone so severely as to cause him or her to lose his or her mind.) Don't sneak up on me like that, you scared me silly! That car accident seems to have scared Janet silly—she's still shaken by it.
See also: scare, silly