tear up the dance floor

crocodile tear

A tear shed insincerely, in a false display of sorrow or some other emotion.

dance attendance

To wait obsequiously (on or upon someone).

dance of the seven veils

A striptease performance.

dance on nothing

To be hanged.

dance on someone's grave

To celebrate a person's death or downfall triumphantly.

dance with the devil

To engage in risky and immoral behavior.

fan dance

The incremental disclosure of tantalizing bits of information.

floor it

To depress the accelerator to the maximum extent.