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1.
People on YouTube who post comments talking about their ex-girlfriends or about their feelings.
*After listening to "Had a bad day"*

"fakesickness11: Youfag....."

"captbit947: This song really made me think about my ex-gf, man i loved her so much, but then she broke my heart."
by Ron Flarhtey November 11, 2009
 
2.
A person on YouTube who would rather have a argument with other YouTube users then to watch the video.
Stop being a YouFag and watch the damn video.
by Mutank January 22, 2009
 
3.
A person on the google owned site youtube who posts annoying comments all over the place saying how thir linkin park narutarded AMV is so great.
Youfag: H4Y CH3K 0U7 M4 4W5OME N4RU7O CrAWLING AMV I7 ROXX RATE OR I KI11 YOUZ!!!111!!1!111!!!
Me: I rated it 1. Happy now?
Youfag2: SHU7 UP COCKF4CE I75 B3773R 7H4N UR5
Youfag3: Y34
Me: Screw you guys.
Youfag: 7H3YRE R173 M1N R BE...
*triple block*
by Me. :/ February 01, 2009