1794, "characterizewd by creeping," from creep (v.). Meaning "having a creeping feeling in the flesh" is from 1831; that of producing such a feeling, the main modern sense, is from 1858. Creepy-crawly is from 1858.
mod. eerie; frightening. : I have this creepy feeling that someone is just this very moment reading something that I wrote.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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