a person who lacks the very basic skills of hygiene and posesses a propensity towards laziness and sloth. They tend to have an untidy appearance and have trouble maintaining gainful employment.
Myra had no other option than to divorce Chuck, because he was such a shitbum.
by dennis November 19, 2002
A stand up guy will be your friend through thick and thin.
REMEMBER!! The shitbum will never steer you wrong. The Shitbum will be your buddy untill the very end. He'll never waver, forever he'll stand tall, and like they say in Arkansas "thats it for now "Y'all
by Dick Ryan March 10, 2007