bright and sunny. When its a nice day, or a vibrant outfit.
Alxa: Woah, its so brunny!
Samar: I know i need my sunnies!
Brunny is 24 and still hasn't hit puberty. He likes eating honey, like a bear, and speaks like he has a blocked nose. Prone to throwing hissy fits and storming out of English lessons crying saying "I have got the point, though!"
Someone who throws a fit for no reason is "pulling a brunny"