The word "dirtbag" refers to a person who is generally considered unpleasant, reckless, or disrespectful in their behavior and attitudes. Full definition
Perfect example of dirtbags who got Grandmas cute old house and trashed it. (uglyhousephotos.com)
Southern wrestling was about real heels and dirtbags taking on good old boys and clean - cut, nice, upstanding young men. (sbnation.com)
Aside from a firecracker that exploded prematurely next to my ear as I was preparing to chuck it at a trespassing neighborhood dirtbag when I was twelve, and too many nights spent in noisy rock clubs since, I ascribe any diminution in hearing I've experienced in life to long trips in the back of old Land Rovers. (automobilemag.com)