simple past tense and past participle of clean up one's act

A bill of health that states that there is no infectious disease present in a ship, or its port of departure. / (figuratively, by extension) A statement that indicates that there are no obvious problems.

(idiomatic) To defeat someone decisively, in a physical fight or other competition or negotiation.

(idiomatic) To make a fresh start, for example by forgetting about previous differences and disagreements.

(simile) Very clean; very innocent.

(idiomatic) Often followed by of: to be honest about something; to confess.

(simile) Extremely clean.

present participle of make a clean break

plural of clean bill of health

(idiomatic) To go back to square one; start all over again.