pee piss

In neurourology, post-micturition convulsion syndrome (PMCS), also known informally as pee shivers or piss shivers, is the experience of shivering during or after urination. The syndrome seems to be experienced more often by men than women.
The online question-and-answer newspaper column The Straight Dope credited the origin of the term to Peter H.M. Brooks when a reader inquired about the phenomenon.

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