My best friend's little boy randomly said the word for no reason, and she just went wtf. I told her it was throwing a hippo. She was highly amuse. My other best friend was not .
vegetarian for yeetbix. The saying yeetaterium goes far back into the culture of maori as many can remember. Yeetaterium was used by the 4 great nations, The mongrel mob, head hunters, greasy dogs and the black power, but every thing changed when the Yozas attacked. but only the one true maori, Rangi who could control the great nations, had gone to get butty kuras, then vanished. Every 100 years, the true great maori who would be reincarnated and named Rangi, he/she could control the four great nations and bring new zealand together in harmony.
Essentially means "what the fuck?!" When used after someone says something astonishing. Can also be used as a sassy goodbye, or describing a person who is trashy.