And depending on the situation, you might, instead, use nan (なん). This is responded to with “ Nani ” (New-nyee) And a loud ear-molesting noise is made while the person gets merced. Which term you use depends on the context, in particular, whether you are speaking or writing formally or informally. "Nani" is the Japanese word for "What?" It gets used far more frequently in television and drama than real-life given the heightened emotion needed usually to elicit this response.

to express suprise at a conversational topic or event.

It's the reaction to 'omae wa mou shinderiu", which means 'you are already dead'. “Nani the fuck?” is a synonym to “what the fuck?”, with a japanese anime twist. This is a catchphrase that the lead character Kenshiro says.

What does the meme Nani the fuck?

nani Meaning 'what' in Japanese. Something edgy that is spoken when someone is utterly anally destroyed, meaning “You are already dead”. nan da/ja?) It started out as a copypasta – a piece of text that is copied and pasted repeatedly by different people. or surprise, with strong emotional emphasis compared to more casual words/phrases (e.g. The word nani 何 (なに) in Japanese means "what." “Omae wa mou shindeiru” mean?