The most annoying line a beginner Java programmer has to type in each one of their programs. This is also the line where most n00bish typos appear.
Comparison of Java to QBASIC

Java:

public class PrintHi{
public static void main(String args){
System.out.println("Hi");
}
}

QBASIC:

?"Hi"

Hmm, 95 characters or 5? Tough choice.
by no_one_2000 February 22, 2005
mugGet the public static void main(String[] args){mug.

dot^3

A clever way of denoting an ellipsis (those three dots "..."). It's commonly used after an idiot makes a stupid remark.
<tehn00bz0r> hey wat iz teh numbar for 911?
<Scr33nName> dot^3
by no_one_2000 January 9, 2005
mugGet the dot^3mug.

asstangent

A random insult word. It's used especially by those who are deeply involved in their trig homework, though it really has no definite meaning.
*Phil is silently doing his trig homework*
*Jackie spills his snack all over the lunchroom floor*
*Phil jumps up*
Phil: YOU ASSTANGENT!
Jackie: What the hell is an asstangent?
Phil: I have no idea.

(true story =P)
by no_one_2000 January 3, 2005
mugGet the asstangentmug.

lol

It's original definition was "Laughing out loud" (also written occasionally as "Lots of Laughs"), used as a brief acronym to denote great amusement in chat conversations.

Now, it is overused to the point where nobody laughs out loud when they say it. In fact, they probably don't even give a shit about what you just wrote. More accurately, the acronym "lol" should be redefined as "Lack of laughter."

Depending on the chatter, its definition may vary. The list of its meanings includes, but is not limited to:
1) "I have nothing worthwhile to contribute to this conversation."
2) "I'm too lazy to read what you just wrote so I'm typing something useless in hopes that you'll think I'm still paying attention."
3) "Your statement lacks even the vaguest trace of humor but I'll pretend I'm amused."
4) "This is a pointless acronym I'm sticking in my sentence just because it's become so engraved into my mind that when chatting, I MUST use the meaningless sentence-filler 'lol.'"

See: lmao, lmfao, rofl, lawl, heh, haha, lolol, and 120 for similarities.
Statement: Sorry if I'm not too cheery, my best friend just died yesterday.
Worthless Reply: lol

Statement: The golden ratio is truely an intersting aspect of not only mathematics, but art as well.
Worthless Reply: lol

Statement: ... And then he says, "Your mom goes to college!"
Worthless Reply: lol

Statement: Hey, are you doing anything tonight? You could come over to my house and play some Unreal Tournie...
Worthless Reply: lol, ok
by no_one_2000 September 3, 2005
mugGet the lolmug.

1

(Definition A)
The 1337 way of noting that you must leave. As most people chatting online are lazy, they always look for shortened ways to convey their messages. In this way, the evolution of this term has inarguably reached its peak.

"Gotta go" -> "g2g" -> "g to g" -> "g/g" -> "1"

Thus, from idiom to abbreviation to mathematical ratio, we have 1.

(Definition B)
Again, along the lines of 1337, groups of 1s may be used to end exclamatory sentences, usually for the purpose of mocking n00bs who greatly overuse exclamation marks and fail to release the 1 key before the "Shift" key. May be used with extra extensions such as "one", "eleven", "sin(x)^2+cos(x)^2", or "-(e^(pi*i))". See the example for greater detail.

(Definition C)
For younger children, especially those recently potty-trained, a brief system of number codes is used to prevent embarrassment when a child audibly requests to use visit the restroom in public. Urination is referred to as "1", excrement is "2".
(A)
<Easton> and I TRIED to ask her out, but apparently she isn't interested...
<no_one_2000> Crap, you'll have to finish the story later--my mom wants to use the computer. 1

(B)
<master> y can i nvr win
<master> I H8 DIS GAME!!!!!!!!!!!!!11111
<master> SUM1 HLEP!!!!!
<mikeejimbo> OMFGZ0RZ!!!!!!!!!111111111oneoneoneelevenone1111!1!!111
<mikeejimbo> Here's a better idea: Shut he hell up, n00b.

(C)
Kid: Mommy! Mommy! I have to go!
Mother: Is it 1 or 2?
Kid: It's 1!
Mother: Then just hold it until we get home.
by no_one_2000 July 29, 2005
mugGet the 1mug.

!##&

"1337" typed with the shift-key pressed. Seen most commonly from n00bs who type in all caps (but are too stupid to use the caps lock key), or by those making fun of n00bs.
<n00b> OMG HOW U KIL ME U MUST B !##&
<me> Stfu, n00b.
by no_one_2000 February 22, 2005
mugGet the !##&mug.

120

120 is an elite, nerdy way of saying "LOL!" See 5.

LOL means "Laughing out loud" and is a common acronym used in chatting everywhere.

LOL (or lol), written in 1337 is 101.
101 in binary is equal to 5 in decimal.
The factorial of five (5!) is 120.

So, the factorial of LOL (5) is 120. LOL! = 120
You have a 56k dial-up modem? Hahaha! 120
by no_one_2000 August 9, 2004
mugGet the 120mug.

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