1.) (Internet slang) Shut da fuck up.

2.) South Dakota Farmers Union.
by Nigga, please. December 8, 2004
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Shut da fuck up. Used when chattin in a chat room.
When u in the chat room and sumone talkin to and u dont wanna talk to them.

Man sdfu talkin to me.
by Donna September 27, 2004
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Shut Da Fuck Up.

Used by gangstas on Habbo.
Habbo Gangsta: SDFU bitch! *stabs*
by cjisn199a May 12, 2009
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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 🤦🏽 ♀️😭.”
by tht one kid across the street. February 6, 2020
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