turn heads

bang some heads together

Attempt to get results from a previously ineffectual or argumentative group, typically by coercion or force.

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.

butt heads

To argue uncompromisingly.

good turn

A good deed; a thoughtful or selfless act.

heads or tails

The practice of flipping a coin in the air, to choose between two alternatives based on which side lands face up.

heads will roll

Some people will be fired for incompetence.

heads-up

A warning or call to pay attention; an advisory notice; a notice of what is to happen; a holler.

left turn

An unexpected change from the way things seemed to be going.