Tough guy / badass / real one
Esse cara é cabra-da-peste, consertou tudo sozinho.
That guy is a real badass, he fixed everything by himself.
Northeastern Brazilian regional expression. Cabra ("he-goat") became Northeast slang for "guy/man"; da peste is an intensifier (lit. "of the plague") roughly equivalent to "one hell of a" in English.
Falando's Idiom Trainer teaches you to recognize idiom meanings and create sentences using them, so you can speak like a Brazilian.