noun. Formed from blending of the words bride and Godzilla (Japanese movie monster). Used to describe a woman whose behavior becomes outrageously bad in the course of planning for her wedding.
Joan, normally a pleasant person, became a real bridezilla whenever she spoke to the caterers.
noun. A sudden outburst of temper, often used to describe female anger at something trivial. Originally regional from American South. Thought to originate from contraction of "hysterical fit."
She threw a hissy fit when she found out the last pair of shoes had been sold.