Definition
"Flea-bitten" can literally mean covered in fleas, but more often it's used figuratively to describe something (or someone) that is shabby, run-down, or undesirable. It suggests a generally poor condition or appearance. Think of a stray animal that's scruffy and unkempt. The term can also imply that something is infested with problems or issues. It has a slightly negative and often humorous connotation.