have a conniption fit, to

have a conniption fit

To become very or unreasonably angry or upset; to have an outburst of rage, frustration, or ill temper. My mom's going to have a conniption fit when she sees what happened to the car! I was so embarrassed when Danny started having a conniption fit in the grocery store.
See also: conniption, fit, have
Farlex Dictionary of Idioms.

have a conniption fit, to

Display hysteria; an extreme emotional upset. This term dates from the early 1800s. Seba Smith had it in Major T. Downing (1860), “And Keziah fell down in a conniption fit.” The phrase has a rustic sound and is heard less often today.
See also: conniption, have
The Dictionary of Clichés by Christine Ammer
See also:
  • have a conniption fit
  • have a conniption
  • have a fit
  • have/throw a fit
  • take a fit
  • throw a fit
  • pitch a fit
  • throw a hissy fit
  • conniption fit