An Australian moniker for the under-aged at music festivals. Refers to the purple wristband they must wear to identify them as under-aged and unable to buy alcohol. Most often attractive females and commonly associated with seedy old (and young) men creeping nearby.
Oi, look at that purple wristband", "Where?", "You bloodycreep!
When a guy is under the impression that the girl he is about to have sex with is white, and she spreads her legs showing her purple-tinted vagina, demonstrating that she is not white.
"So I took Alisha out for dinner last night, and we had sex?"
When during fellatio, after ejaculation, the female (or male) performing the fellatio punches the recipient directly in the testicles. This therefore turns the recipient's testicles purple giving them the look of purple plums.
Dude I was getting head from this smoking hot girl last night...and then she gave me a purple plum knocker. My balls haven't been the same since.