Idioms with HAT

at the drop of a hat
immediately; willingly and without hesitation
They say they are ready to help us at the drop of a hat.

take your hat off to someone
to praise someone
I have to take my hat off to them. They did a great job.

keep something under your hat
to keep something secret
I’ll tell you something, but you have to keep it under your hat.

wear many hats
to have many jobs or roles
He wears many hats. He’s an architect, a musician, and a writer.

throw your hat into the ring
to say publicly that you will take part in a competition or election
Another candidate has thrown his hat into the ring.