make one's head spin

Idioms  

1. Cause one to be giddy, dazed, or confused, as in The figures in this tax return make my head spin. This phrase employs spin in the sense of “rapidly gyrating,” a usage applied to the brain or head since about 1800.

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Example Sentences

A few moments like an accidental death or the wild introduction of an aquatic character are so wonderfully out of left field they make one’s head spin.

From Los Angeles Times • Mar. 6, 2026