Fnurk is a new word, which is a new meme a well. It means "fucking niggas unexpectedly raping kneecaps" and is known as a worldwide meme on ROBLOX
ROBLOX USER 1: *rapes a kneecap*
ROBLOX USER 2: ''You FNURK, you idiot''
by Yayquo January 30, 2020
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