To fuck.
– Eu quebrei o vaso da minha mãe! Eu estou fudido! (I’ve broken my mom’s vase. I’m fucked!).
– O vendedor me fudeu com aqueles juros. (The salesman fucked me over with that interest.).
– Eu quero fuder (com) você. (I wanna fuck you).
– Vá se fuder! (Fuck off!)
Learn how to say fuck and many others swear words in Brazilian Portuguese with the ebook Mastering Slangs and Swear Words in Brazilian Portuguese.
Maybe you don’t appreciate using slangs and swear words in English or in other language, but the fact is that if you REALLY want to understand what people say on the streets, tv, movies etc. you may consider trying to understand some dirty words. Besides, let’s face it: swear words allow us to express emotions that are not as easy to communicate.
There are also some culture issues. Owing to them, some slangs and swear words are quite difficult to translate and if you are not really sure about their meaning, some people may get really offended.