The phrase "to hit the reset button" means to start over or begin again, as if restarting a device or resetting a situation to its original state. Full definition
It's like hitting the reset button on your body after 5 days of drinking beer at noon and eating fried potatoes for breakfast. (veggieandthebeastfeast.com)
This month we are focusing on recipes that will hopefully be helpful to those wanting to hit the reset button after all the holiday eating and drinking. (golubkakitchen.com)
Doing a detox is like hitting a reset button for your body. (mindbodygreen.com)