n. a burst of anger; a spaz. : He had a conniption fit over the question of my marriage to Fred.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
Cite This Source
Word Origin & History
conniption
1833, Amer.Eng., origin uncertain; perhaps related to corruption, which was used in a sense of "anger" from 1799, or from Eng. dialectal canapshus "ill-tempered, captious," probably a corruption of captious.