ready to roll

call roll

To make a roll call; to take attendance.

dice roll

Something unpredictable or unexpected.

heads will roll

Some people will be fired for incompetence.

ready and waiting

Already prepared for action or use.

ready or not

Determined, regardless of readiness or preparedness.

ready up

to prepare for use, to get ready

roll back the years

To produce a sense of nostalgia.

roll in the aisles

To laugh uproariously.