YDF 

It stands for (you dumb fuck)

Peter- today I fell of my motorcycle and broke three ribs. Monica-YDF( you dumb fuck)

YDF by Moni 13 January 12, 2010

YDF 

Yellow Daisy Flowers, a groovy clan is full of power power.

YDF by ZiGGie July 14, 2003

YDF 

A clan based on friendship and respect. Owns the majority of all clans and can take a shit while stadning up! < ownage

YDF owns you!!!!

YDF by m00p00 July 8, 2003

YDF 

A Group of People assembled together to show the power of teamwork, fun, religion, language, Dicktatorship and the overall strength and hard workingness of Koreans who jack dvd players and abuse admin (note i am talking about AD :D )

P.s. This is MORE than a Cs Clan we are a family!

p.p.s begin the song "We are a Family!"

kakakakkakaka

p.p.p.s i am not korean

YDF by A fellow member of Yellow Daisy Flowers Inc July 14, 2003

YDFC 

Young Dumb Full of Cum

Rookie Fireman is YDFC

YDFC by Donnie DF December 14, 2011

ydfoc

Young, dumb and full of cum

Look at that blond over there. I'll bet she's ydfoc.

ydfoc by king woodrow,III May 23, 2003

ydfb 

Acronym meaning "You da fuckin best"

Drake song.. ydfb, ydfb best i eva had.......

ydfb by majorhater June 1, 2011