hat hair

all hat and no cattle

Full of big talk but lacking action, power, or substance; pretentious.

all hat and no cowboy

Full of big talk but lacking action, power, or substance; pretentious.

bad hair day

A day when things seem to be unmanageable or go wrong.

Barnet

[Cockney slang]hair

via Barnet Fair

black hat

A villain in a story, especially in a Western (a film or other work of the Western genre).

brick in one's hat

Drunkenness.

curl someone's hair

To frighten, dismay, or excite someone thoroughly.

does the Pope wear a funny hat

Obviously! Rhetorical question in response to a question where the answer is an emphatic yes.