A person in desperate circumstances or who is at the point of desperation, such as a down-and-outer, an addict, etc.
A person who is desperately in love or is desperate for a romantic or sexual relationship.
A bold outlaw, especially one from southern portions of the Wild West.
A piece that seems determined to give itself up, typically to bring about stalemate or perpetual check.
Someone who hijacks.
Hijackware.