South African: A pompous self-obsessed windbag, a copious producer of hot air, an empty headed buffoon.
Watterinja is originally a disease of South African Boars. It causes bloating, high-pitched squealing, flatulence, and brain-damage in the afflicted animal. Commonly occurs in aged boars.
Says he's got an IQ of 180 but he's only capable of communicating in empty platitudes and fat-headed waffle. What a watterinja!