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SYFFUF is short for "Shut your fucking face, uncle fucker", a commonly used phrase in the USA. It was introduced in 1890 by Pope Gregorius XIV but gained popularity when Matt Stone and Trey Parker used it for a song in their popular television series "South Park".
Aunt: "Bob, you suck!"
Bob: "SYFFUF!"
SYFFUF by Burn666 January 17, 2008
Related Words
SYFFUF syff syffer syffu
Shut your fucking face up.
<CraBYbebeq> u WÝLL die while u r sexing and speaking abt SEX...omg GET LOST THE WORLD!!
<Requiett> Syffu.
syffu by Requiett November 13, 2004
Syffer (adjective)

Syffer is a happy yet depressed person
E. g. I'm feeling syffer today
syffer by -Nay May 13, 2018
An abbreviation for the term "Shut your fucking face uncle fucka"
Terrence sent the text "syffuf" to Phillip
Syffuf by SUPERWOGFAN100 September 7, 2025

Gayborhood 

N. A neighborhood containing homes, clubs, bars, restaurants, and other places of business and entertainment that cater to homosexuals.
"They've opened up a new club in the Gayborhood called the Male Box."
Gayborhood by Mia Shields January 6, 2006
Word of the Day on July 14, 2026
A small piece of information. Derived from the word ken, used often in the scottish language and is synonymous with knowledge.
Person 1: "Hey I don't get this shit. How do you solve this problem?"
Person 2: "I got that one. Give me some kenlets on this assignment and I'll help you w/ that one."
kenlet by Norma Y. October 8, 2005
Word of the Day on July 13, 2026