Ginger Influenza
When people are very attracted to, often to the point of it becoming a fetish for, ginger people. It is the term that is equivalent in meaning to terms such as Yellow Fever' but obviously applied to ginger people rather than Asian people.
Guy 1: Look at the ginger girl over there!
Guy 2: She's fit!
Guy 1: Only coz you have ginger influenza mate, you'd shag any ginger girl!
Guy 2: She's fit!
Guy 1: Only coz you have ginger influenza mate, you'd shag any ginger girl!