A person who is needy or Fiendy. Someone who always wants what you have.
I haven't smoked for a week and I'm feeling Sydney right now!
I already loaned you 20 bucks, don't be a Sydney!
Pronoun: Norse translation - Loki's Burning, Loki's Torch.
Slang Translation - "Loki's Bottom Bitch"
She was his main flame. His Lokabrenna.