shuck off(It is in some people's nature to want to go out into the wilds and live a simple life, to shuck off modern conveniences and get back to nature, yet sometimes nature does not want to give them back.mysteriousuniverse.orgART Vancouver)
go cold turkey on(= завязать с: If you go on this diet, you'll have to go cold turkey on everything from coffee and sugar to beer and bagels.ART Vancouver)