!!!!1 

When you are so excited or so angry that you lift your hand off the shift key to early and accidentally put a "1" at the end of your numerous exclamation marks.

Mother: GET HOME NOW !!!!!!!!!!!!!!!!!!!11
Child: Ugh okay!

Jenny: I cant wait to finally have sex with him!!!!!!!!!!111111111
Dan: Um I am you ex why are you telling me this?

!!!!1 by iusethislongassnameforareasosn June 15, 2010

!1 

Common typo among people who like to insert many exclamation points to the end of a sentence, caused by accidentally releasing the Shift key before the 1 key, and sending the message without previewing it to realize the typo had been made.

Often used on purpose to make fun of such accidents and the people who make them, or as part of leetspeak.

A similar but less-joked-about occurrence is the tendency to insert backslashes after a string of question marks.

I DON'T BELIEVE IT!!!!!!!!!!11111

ARE YOU JOKING????????///

!1 by CtrlAltDestroy September 14, 2005

1* 

A term originally created by a sergeant with the Los Angeles Police Department SWAT Team. Designed as a reminder that in fact you only have "one ass to risk"(1 as-te-risk), so you'd better be careful.

Don't get yourself shot tonight, you only have 1* and a whole life ahead of you.

1* by J. Malik October 17, 2005

:1

A sideways-style text smiley. The colon represents the eyes, and the one represents a straight-forward mouth. The line's dent(s) at the tip(s) represents the curve of a lip.
It's used to show that you're neutral when it comes to what you're saying or reading. Not happy. Not upset. Just regular.

Ramon: How are you today? ^_^
Jacky: I am content :1
Harold: My kitty Fluffy died! ;_;
Jacky: Oh. :1 Sorry.
Nancy: WELL U SUCK! xDDD
Jacky: Negative. :1

:1 by ShrewDude November 24, 2007

!!!1 

Happens when a careless internet queen gets excited and types too much.

Internet Queen : OMG LOL!!!1

!!!1 by Ben April 22, 2005

-1 

Forum Lingo, When one disagrees with another

Post 1 : I believe that I should be a moderator on this forum.
Post 2 : -1

-1 by JiTek May 19, 2008

!!1! 

A punctuation mark most commonly used to show extreme excitement and/or shock. Since in most keyboards holding down SHIFT and pressing "1" creates an exclamation point, "!!1!" is used to imply that the writer didn't check what they were doing or that they were in a rush.

EXAMPLE 1:
Person 1: Hey, little boy! You're mom's in the hospital. She asked me, a complete stranger, to come to your school while you were switching between classes and pick you up. So, wanna get in my car? I've got candy! Don't worry, I'm not a rapist!
Person 2: OMGWTFNO!!1!

EXAMPLE 2:
Person 1: I JUST WON THE LOTTERY!!1! ZOMG!!1!!!1!
Person 2: NO!!1! FECKING!!1! WAY3Z!!1!
Person 1: Y3S WAYZ!!1!!!1! I JUST WON THE LOTT3RY!!1!
Person 2: ZOMG3!!1! HOW MUCH?!?!1?1!?!
Person 1: A MILLION DOLLARZ4S!!1!
Person 2: OMG!!1! YOU COULD BUY, LIKE, SO MUCH SHAMPOO WITH THAT!!1!
Person 1: IKR!!1!

!!1! by some wackjob on his laptop May 17, 2011