A fork of Rural Dictionary
1.) (Internet slang) Shut da fuck up. 2.) South Dakota Farmers Union.
Don't believe me? Check out their website.
sdfu: shut da fuk up (slang term: shut the fuk up) when somebody ask a stupid question yu be like “ay sdfu”
Person: the earth is flat Me: “ho sdfu 🤦🏽 ♀️😭.”