What is On The Wagon?
1.
A colloquialism generally referring to an alcohol abuser's sobering up time. Can also be used as a general reference to refraining from any bad habit, i.e. diet or drug usage. Closely related to
1. "Hey Bill, you wanna do whiskey shots tonight?" "Sorry Bob, I'm on the wagon."
2. "Hey Jim, you sticking to that Atkins diet thing?" "Yup, I'm still on the wagon."
2.
Abstaining from drinking alcohol.
From
The Shining (film)
Jack Torrance: Here's to five miserable months on the wagon, and all the irreparable harm it has caused me.