A kind of out of place guy or woman who randomly shows up in your life to watch your problems unfold. Enjoys spending time watching problems of people in Divorce Court. May also be found taking notes outside of local pharmacies all the while, shielding thier face with the newspaper. Typically portrays a person who has outstayed thier welcome in another person's home or property, and refuses to leave.
Synonymous to a camper who pops up on you while you're in a very remote location.
That woman who ran for office recently seemed to be a Pop up Camper. She just wouldn't leave.