When your stomach instantly turns sour and suddenly you are rushing to the bathroom like your life depends on it to avoid violently shitting your pants where you stand.

Most often following a night of heavy drinking, or gambling and losing on a new food truck.
"That Thai place last night really did a number on me, I had a Rush n' Gush moment at work and barely made it in time!"
by TheArticuno August 19, 2020
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