Etymology

spidey sense

Spid·ey-sense

Today it means: An intuitive feeling, usually of something being dangerous or risky; (more generally) instinct, intuition. Full definition →

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The story

From the superpower of the fictional character Spider-Man (introduced by Marvel Comics in August 1962), nicknamed Spidey, who is able to preternaturally sense danger before it can be perceived by other senses.

Etymology from Wiktionary, CC BY-SA 4.0.