sdfu 

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

2.) South Dakota Farmers Union.

Don't believe me? Check out their website.

sdfu by Nigga, please. December 8, 2004

sdfu 

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.

sdfu by Donna September 27, 2004

sdfu 

Shut Da Fuck Up.

Used by gangstas on Habbo.

Habbo Gangsta: SDFU bitch! *stabs*

sdfu by cjisn199a May 12, 2009

sdfu 

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 🤦🏽 ♀️😭.”

sdfu by tht one kid across the street. February 6, 2020

sdfu 

It means "Shut da fuck up"

bro sdfu you pmo

sdfu by DaFrickenTuffOneBoi July 15, 2025

sdfusikscklm 

slapping a sentence

Person 1: sdfusikscklm
Person 2: What the heck

sdfusikscklm by fejhsdxcsld January 25, 2021