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.
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.