half in the bag 

adj: between sober and falling-down drunk (guess based on context). Subject has consumed some alcohol, is buzzed, rowdy, having a good time.

heard in the raunchy, bawdy performances of John Valby a.k.a. Dr. Dirty, usually performed live at bars.

Oh, you guys in the second set are half in the bag, you can't remember shit. (when the audience forgets new lines of a singalong)

half in the bag by trigonman3 August 2, 2004

half in the bag 

Drunk, smelly, uncouth.

"Wow guys, look at Lastenia. That woman is half in the bag after only 2 drinks! She doesn't know who she's going home with...but she sure is trying!"

half in the bag by tonykiemel January 7, 2010