To stop working or thinking about important or difficult issues and simply relax. ("Veg," short for "vegetate," rhymes with "edge.") After such a tough week in work, all I want to do this weekend is veg out in front of the TV.
debilitated by drugs or alcohol. Ernie is veg-ged out and has quit his job and everything. Won't be long till Larry is vegged out altogether.
mod. debilitated by drugs or alcohol. (Drugs.) Ernie is vegged out and has quit his job and everything.