1. slang Drunk. From his smell to his stagger, I could tell the old man was already slugged up.
2. slang Wearing dental grills, especially ones made of gold or embedded with diamonds. Our son idolizes those rap stars who think being tattooed and slugged up is an attractive look.
mod. alcohol intoxicated. I’m slugged—skunked, you know, corned. And I think I am going to sick up. Ted realized that he was slugged out of his mind, but tried to get the bartender to serve him another drink.
See also: slug