my spider sense is tingling

Etymology
From Marvel Comics' "Spider-Man" comic books, in which the main character (Spider-Man) has a superpower called "spider sense" (sometimes called spidey sense) that would forewarn him about dangerous events. He would often say his spider sense was "tingling" when it was warning him of something.

Phrase

 * 1)  My intuition (spider sense) tells me that something wrong or dangerous is happening or about to happen.