on the wagon

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 fell off the wagon.

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."

on the wagon by Drinkin' again January 19, 2005

on the wagon

refraining from the drinking of alcohol

From 2012

Tony: After 25 years on the wagon! Are you out of yo' mind?

on the wagon by misterblah August 7, 2011

on the wagon

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.

on the wagon by mtakil July 16, 2005

go on the wagon 

abstine from drinking, not to drink any alcohol for a period of time

The doctor ordered him to go on the wagon.

go on the wagon by Jan Vlcek September 11, 2007