Someone who is in a perpetual state of drunkenness
someone that drinks profusely
Michele is a total waste case.
Someone who is a 'waste,' or achieves nothing and accomplishes nothing. He or she lacks drive, and makes little effort to do anything useful.
1. It's 3 pm and she still has not gotten out of bed, she is such a waste case.
2. He spent all weekend drinking, skipped his classes on Monday, and isn't going to his exam. He is a total waste case.