Definition

The state of being thoroughly intoxicated by alcohol, past the point of casual drinking and well into poor decision territory. A straightforward, no-nonsense phrase for getting absolutely hammered. Usually precedes stories that start with "So we got boozed up and..." followed by something regrettable.

Example Usage

They got completely boozed up at the wedding and tried to convince the DJ to play Nickelback.

Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=boozed%20up&defid=21005)