Verb
(idiomatic) To go unchecked, to be out of control.
(prison slang, of prison sentences) To run consecutively.
Source: en.wiktionary.orgIn the first six to twelve months of a war with the United States and Great Britain I will run wild and win victory upon victory. But then, if the war continues after that, I have no expectation of success. Isoroku Yamamoto
You can't just let nature run wild. Walt Disney
Every fairy child may keep Two strong ponies and ten sheep; All have houses, each his own, Built of brick or granite stone; They live on cherries, they run wild - I'd love to be a Fairy's child. Robert Graves
Idiots are not responsible for what they do. The real guilt falls on rational people who sit on their hands while the morons run wild. You can opt out if you want to. Play it safe. But if you do, don't complain when the roof comes down. Jack McDevitt
It is clear that the books owned the shop rather than the other way about. Everywhere they had run wild and taken possession of their habitat, breeding and multiplying, and clearly lacking any strong hand to keep them down. Agatha Christie
Prepare to let your right brain run wild. Reggie Fils-Aimé