1. Greeting - You see someone you haven't seen for a minute. Upon site an especially loud "Nyiii !" is emitted from across a stretch of a large public space , you are immediately recognized and hilarious laghter ensues
2. Disgust - Your brother tells you he was snorting coke with a friend and said male friend suggested performing fellatio on him. You respond with a prompt and crisp "Nyiii !"
3. War Cry - At a good night out at the pub with the lads many cries of "Nyiii ! " will definitely be heard.
4. General Response to Stupid Shite - Someone says something gayer than a tennis helmet, leaving you with an awkward feeling. The only logical response is a prompt and agressive "Nyiii ! "leaving the culprit feeling like a knob.