On Jag 

When you’re too serious to use on jah or you’re absolutely not cappin

I slept with your mom like on jag

On Jag by Onjagboiiii March 26, 2020

get a jag on

Getting drunk

We're gonna get a Jag on at the Eagles tailgate

get a jag on by Dr. Humdrum June 19, 2016

tie on a jag 

Tie on a jag is a phrase originated in Northeast Pennsylvania. It refers to getting fucked up on either beer or weed or both. Instead of saying hey wanna get fucked up to night you would say let's tie on a jag.

Joe: hey Jake want to go tie on a jag tonight?

tie on a jag by jake42 April 13, 2014