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2.
Shut the fuck up newbie

Newbie - A person who plays an online game such as Counterstrike and is new to the game or is very bad.
Newbie - I r00l!
(Newbie's score - 3 kills, 10 deaths)
2ndIDLtCol.Ryan - STFU NOOB!
by Pete December 20, 2003
 
1.
a gay ass term used to insult a person who plays an online multiplayer game less then 12 hours a day. Used by really scary, big mouthed, "internet tough-guys" who seem to be playing video games the majority of their time.
Normal Person: How do i shoot?
Fat Chode Internet Tough Guy: omfg lol u suck noobie fag
Normal Person: ?
Fat Chode Internet Tough Guy: STFU NOOB
by jizzy January 25, 2005
 
3.
abreviation used by online game players like runescape or counter strike to tell a noob gut to shut it ...
Shut The Fuck Up Noob!
jhonny12345: HI IM NEW HERE
jhonny12345: HI SOMEBODY TELL ME HOW TO GET CASH
jhonny12345: ANSWER ME PEOPLE!!
I Mahatma I: Omg STFU NOOB!
by 69Tatou69 January 16, 2007
 
4.
The greatest empire our world has ever seen. It stands undefeated in battle thanks to superior training in their troops and sage-like wisdom from their leaders, such as Roflmaool. Also, it stands for "Shut The F*** Up Noob." (Noob obviously a derivitive of the word n00b, which comes from "newbie.")
Oh no! Our nation is being attacked by Stfunoob! We are now destined to perish!

Player: omfg i k1lled youz!! lolololololololololololololol!!!!!111
CS Pro: STFUNOOB!
by Ben L. March 20, 2005
 
5.
A term used by experienced gamers to tell the noobs to stop whining about being killed or losing.
(In a CoD4 game, the marines win with pure skill)
OpFor: The marines are a bunch of hacking noobs
Marines: STFU NOOB!
by VMP94 May 23, 2010
 
6.
what dumb fags say to people who are just starting a game online.
billy475633555433573456735875676: Hi im new to this game, can anyone help me?
1337PwNz00r: stfu noob
billy475633555433573456735875676: oy na youre a fag and you probably play this game every day and work at like McDonalds for 50 cents an hour.
1337PwNz00r:stfu noob!
billy475633555433573456735875676: just cos its true...
 
7.
A shirt compliment; My, your shirt is lovely today
Why hello there, and stfu noob!
by mikeisnoob October 28, 2004