SUYF 

Shut Up Your Face.

A variation on the popular web-slang of 'STFU'.

Origin: Natural-Selection Community, April 2002.

And I quote the wise man Mart, whom during a conversation with Martigen, used the following earth-shattering phrase: "SUYF."

SUYF by Mart April 22, 2003

SUYF 

Shut up your face.

<jedimasta> wehn does beta 3 cum out ?
<FAWN> SUFY.
<jedimasta> waht

SUYF by FAWN February 23, 2003

SUYFF 

SUYFF means Shut Up You Fucking Faggot first made known by Jarren Duran after being told he needs to use a tennis racket

Person criticizes you over text so you send back “SUYFF”

SUYFF by Squashyyy August 27, 2025

suyfr

telling to shut up

"Also what does suyfr even mean?"

It means

"shut up you fucking rodent"
Or
"shut up you freaking rodent"

suyfr bro ur talking for about like 30 mins

suyfr by kskskskssk November 14, 2025