1. It can be an exclamation.
2. It can replace a space in a sentence when you dont know what the real word is.
3. Used to describe a REALLY ugly girl.
4. Can be a replacement for 'whatever'
NB: Interchangeable with ChickenFish
2. 'Attach the doohickey to te thingamabob, which will, in turn light up the FishChicken'
3. 'Dude, that chick is uglier than a FishChicken's bumcrack
4. 'What do you want for dinner, Nathan?' 'FISHCHICKEN! *mumbles: you ugly fishchicken*'