A person who over-uses the social site 'tagged' to find boy friends/girl friends that are at ridiculous distances to have any sort of decent relationships because they cannon get a relationship where they live.
Derrick: hey, bob, you heard about Diana?
Bob: nope, what's the story?
Derrick: She's a real tagged slag!, she's NEVER had a b.f round here!
Bob: What a looser