mad as a hornet

[mad as a hornet] or [mad as hops] or [mad as a wet hen] {adj.phr.}, {informal} In a fighting mood; very angry.

When my fathersees the dent in his fender, he'll be mad as a hornet.

Bill wasmad as hops when the fellows went on without him.

Mrs. Harris wasmad as a wet hen when the rabbits ate her tulips.