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1.
The area code for the sick state colorado. This spelling is usually in reference to the amazing rap group from Boulder, Colorado.
Dude where you at?
Man, im in the 3Oh!3.
Ah, tight i love colorado.

What are you listening to?
3Oh!3 cause yousa punk bitch if you dont know about boulder.
by coolbn August 04, 2007
 
2.
a band that is getting ruined by fucking emo kids, what else is new
emo kid: OMG I LOVE 3OH!3
me:shut up
by OMFG ITS JESUS May 09, 2009
 
3.
A two person band who used to be cool but now their songs are annoying because they got too popular ,which made all the fat girls, annoying kids, and ugly people start singing 'Dont Trust Me' over and over again and everyone added it to their myspace, thus ruining a potentially cool band, and cool songs.
Fat Girl With No friends: Hey guys do you like my 3OH!3 shirt?
Group of people who used to like 3OH!3: Omg you ruined it im never listening to them again go away!!!!
Me: Fuck you fatty
by SpeakTheTruth666 May 29, 2009
 
4.
1) this music is snippy snappy and pleasing to the ears until you actually listen to the contents of the lyrics and realize its all about sex and is something that was probably written by a 12 year old boy.

2) Used to be likes by "real music lovers" and is now liked by "scene/ emo kids and retarded teenagers everywhere."
Guy: I used to like 3oh!3 until teenagers and emo/scene kids started to like it. now its mainstream and it isnt good music anymore.

Me: Oh im sorry, but i was unaware that when people other than the "original fans" start to listen to this band its not good anymore. Nobody cares who disovered it. Theyre just as crappy as they always were.
by i dont like 3oh!3. June 24, 2010
 
5.
A crappy band devoid of talent.

Primarily known for its visual style and songs mostly bereft of musicianship or ability.

Capitalizes on the fact that all that is necessary to be popular with the Myspace crowd is a stylized look and lyrics that are easy to remember.
"Dude, did you hear that?"
"You mean that cat getting hit by a truck?"
"Oh...I thought that was a 3oh!3 song. Let's go get some tacos."
by Not my real name- Not at all. April 25, 2009
 
6.
Turd Sandwhich
Emo Kid: Katey Perry's in 3OH!3's New Song

Normal Kid: Dude Shes Hot

Emo Kid: and there music's good to

(pause) -SMACK-
by MattyBoi (hey Brookey :D) December 11, 2009
 
7.
An amazing band that was discovered by scene kids, emos, etc. that's now becoming mainstream with a bunch of posers declaring that they've discovered them themselves.

They're made up of Sean Foreman and Nathaniel Motte from Boulder, CO.
Mainstream Kid: Did you guys hear about 3oh!3. I just heard them on the radio.

Scene Kid: Dude, I've been listening to them for a year.

Mainstream Kid: Liar, they're just on the radio now!
by 5758afp July 17, 2009