a person who will not take responsibility for his or her actions
Example Sentences:
My deadbeat ex-boyfriend won’t pay me the $150 that he owes me!
When my husband and I divorced, he was supposed to pay me $300 per month to support our children. However, he hasn’t paid me a single dollar. What a deadbeat.
Media and Links:
Deadbeat Newt Stiffs the State of Utah

Photo Credit: Cory Doctorow via Compfight