"He not working again...what a Dirtnik."
Person 1-"Are you going to get a job and pay child support?"
Person 2- "I'm looking for a job and can't find one."
Person 1- "You haven't payed a dime in a year you dirtnik."
A dirtdigger is a person who digs dirt in another person's (man or woman) rectum. In other words, if you see pictures of somebody with his or her arm dug deep into another person's rectum; that's a dirtdigger.
Can also be used as a verb. "Dirtdigging"
"Hey, do you know that guy John?"
"-Yeah, he's a dirtdigger, isn't he?"