To be unhappy with another and have a fit. A bad temper followed by anger
My dad is going to have a conniption when he finds out I wrecked his camaro.
by BillyGoat November 14, 2002

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Top Definition
To get wicked mad pissed like a crazy guy on steroids who just stubbed his toe.
Crazy Guy On Steroids: "MUDDA FUCKAAAAAGH, MY TOOOOOOOOOEEEE"
Crazy Guy On Steroids Mom: "Honey, don't have a coniption. Mumsy made you some cookies with extra protien like you like."
Crazy Guy On Steriods On Ground Holding His Foot: "OWWWWWWWWWWWW"
by rythmik1 December 21, 2004

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An heightened emotional state that results in an animated fit of peak.
I will have a coniption if I fail this exam.
Dad will have a coniption when he finds out I crashed the car.
by Melissa Yardley September 04, 2003

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coniption, to be totally angry, accompanied by an extreme, tantrum like, outburst.
They are going to have a (coniption,) when they discover their roof has been painted by vandals!
by cocoplain May 29, 2010

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to have a semi spaz attack while laughing to hard at a joke;can cause heart attack for the fairly old
the girl was having a coniption while laughing at a inside joke she was sharing.
by MSHS chemist January 27, 2010

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The Urban Dictionary T-Shirt

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