A person who is addicted to sex. These individuals have no self respect, or respect for their family. They are often females between the age of 18 and 30. Normally these girls are carriers of sexual diseases and are often seen outside chip shops in the North West of England.
Billy: Wow, look at that girl over there, she is lovely but I bet she wouldn't even want to talk to me.
Adam: What??!! Thats Tracey, she is a "Sex Junkie", I heard she once let a whole football team go through her.
Billy: No way!! Her dad would be furious if he found out!!
Adam: If he found out?? What do you mean?? Her dad arranged it, he was the football teams manager!
Billy: Classy family then.