run riot

a noisy, violent public disorder caused by a group or crowd of persons, as by a crowd protesting against another group, a government policy, etc., in the streets.

Law. a disturbance of the public peace by three or more persons acting together in a disrupting and tumultuous manner in carrying out their private purposes.

violent or wild disorder or confusion.

a brilliant display: a riot of color.

something or someone hilariously funny: You were a riot at the party.

to take part in a riot or disorderly public outbreak.

to live in a loose or wanton manner; indulge in unrestrained revelry: Many of the Roman emperors rioted notoriously.

Hunting. (of a hound or pack) to pursue an animal other than the intended quarry.

to indulge unrestrainedly; run riot.

to spend (money, time, etc.) in riotous living (usually followed by away or out).