SickMateSick
When something is really good and then times 2 which is why there are 2 Sicks and due to the fact the word is normally said to friends Mate was added in the middle. This word is usually used by wogs or people of eastern European descent who grew up in Australia.
person1: I didn't use a condom but she didn't get pregnant.
person2: oh SICKMATESICK!
person2: oh SICKMATESICK!