When something is both hysterical and hilarious at the same time, and neither word by itself is sufficient for describing the situation.
by Goods October 18, 2008
Get the hysterilous mug.A disproportional emotional over-reaction to a crisis (or event) caused by an overstimulation of the limbic system that renders efficient function of the pre-frontal cortex extremely difficult.
Bystander #1: "Excuse me... why are they yelling and screaming like that? Are they OK?"
Bystander #2: "They have Hispanicus Hystericus. They'll be OK as soon as they calm down."
Bystander #2: "They have Hispanicus Hystericus. They'll be OK as soon as they calm down."
by Dr. Carey Perkins April 30, 2022
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"Adam Sandler is so hysterious!"
by Ninde February 21, 2005
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Get the hysterious mug.by Kelsie April 25, 2005
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