to be extremely angry or agitated; to be all fired up
O chefe ficou virado no Jiraya quando viu o atraso.
The boss was furious when he saw the delay.
This is a Brazilian pop-culture expression, not a regionalism. It refers to Jiraya — O Incrível Ninja, the Japanese hero series that premiered on Rede Manchete in Brazil on October 2, 1989. The Brazilian television title spelled the character's name Jiraya.
Falando's Idiom Trainer teaches you to recognize idiom meanings and create sentences using them, so you can speak like a Brazilian.