double in brass

bow-legged wi' brass

Wealthy; having lots of money.

brass ceiling

An unwritten, uncodified barrier to promotion or progression for women in law enforcement or the military.

brass farthing

Something worthless or of small value.

brass monkey

Very cold.

brass monkeys

Very cold.

brass neck

Gall, shamelessness, cheek.

double back

To retrace one's steps; to go back where one has already gone.

double booked

Of a single resource, reserved for two different users at the same time.