+1 

A term used by D&D role-playing geeks to indicate that something is better than the standard variant. It often bleeds into online chat and forum posts.

1. OMG this Nokia 6800 is so cool, it's like a +1 Cell phone or someothing.

2. I came so fast, that must be a +1 dildo

+1 by Mystech September 25, 2004

+1 

Term in the music industry for the friend or date of someone on the guest list for a show.

Howard was on the guest list for the Po' Girl show. I was his +1.

+1 by deb April 30, 2004

+1 

In math class, when writing -1 and then realizing the answer is positive 1 so you draw a line through the minus sign and it looks like you are retarded.

teacher: So as you can see the answer becomes -1...
*students write -1*
teacher: ...but since it's a negative times a negative it becomes a positive 1.
*student make their -1 a +1*

+1 by blaah43 December 20, 2008

+1 

Its a short way to say "another one" if you are limited by a 6 character cap

"Another one ( or +1)" - DJ Khaled

+1 by KimmyJay May 11, 2016

+1 

used in the arts/design/architecture world to position the artist/designer/architect as some looks beyond infinity

Damien Hirst might be a +1 artist

+1 by pseudoplusone April 11, 2019

+1 

A common internet slang term used on networking websites, forums, and chat rooms, a "kudos" of sorts when someone says something clever.

"If Tom was a space pilot, would you trust him/her to take you to the moon?"

''I'm surprised he's not already a pilot. He's got the drinking part down.''

+1

+1 by StoneTheWeak November 9, 2009

+1 

Adding (usually) invisible points to someone's hilarity score. Usually when a sarcastic, but hilarious, comment is posted.

Poster 1: "in related news, the homeless guy that hangs out down the street from my office just announced children are in danger from bugs that will crawl in their ears and "infect them with the debbil.""

Poster 2: "+1!"

+1 by The Man Under The Chair January 14, 2009