adj. -- Related to or resulting from the perceived need to "help" or solve the problems of one's friends and family, without the benefit of professional training.
someone who is annoying, clingy, a loser, or just a turn-off in some way, shape or form. They could be someone who is obsessed with you, but you have no interest in them whatsoever. see stalker
the origin of this word is unknown, people just started saying it so I thought I'd put my definition.