Sympathetic audio urinary reflex.
The sudden uncontrollable urge to urinate when pouring liquids or hearing the sound of pouring liquids.
While filling the lawnmower with gas, upon hearing the gasoline pour, you suddenly have to pee worse than you ever have in your life, but you were fine seconds before.
Turning to friend, quick get out of my way I have S.A.U.R.
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