turn a number of shades of red

bleed red ink

To suffer from severe net losses.

Buggins's turn

A humorous, disparaging term for the appointment of a person by rotation or promotion, on the basis of length of service (it being that person's "turn") rather than merit or level of qualification.

call someone's number

To focus on someone, asking them to prove themselves.

clap one's hands red

To clap or applaud intensely.

cut red tape

To reduce bureaucracy.

do a number on

To damage, especially to a significant extent; to treat harshly; to produce ill effects in.

good turn

A good deed; a thoughtful or selfless act.

have one's number on it

To be destined for someone.