Addition 

Slang for the prescription drug adderall.

Guy: "Do you need any help with your addition, Sarah?"

Girl: "Yeah, actually, I need to get a lot of stuff done tonight."

Addition by Mineralist June 10, 2011

Addition by subtraction 

When one person in the group leaves and the group as a whole becomes better

Kyle- "Finally Jimmy left"
Leo- "Jimmy was so ugly and drunk. Now all the ladies will come to us"
Steve- "Yeah, it's definitely addition by subtraction"

Addition by subtraction by Skeet Master Steve June 21, 2009

addition by retraction 

The idea that you earn some major points as a medical student if you do an exceptional job and remain utterly enthusiastic while performing a seemingly mundane task such as pulling back tissue in surgery for your attending doctor.

Student 1: "I can't believe Johnny got that residency spot. Must've been his positivie attitude and his efforts to do everything he could to help out his attendings in surgery."

Student 2: "Yeah, must've been a case of 'addition by retraction'."

addition by retraction by Krusty the Klown November 2, 2008

Addition-Elle 

1. A place where sexy curvy girls go to buy clothes that are stylish.

2. A store in Canada, owned by Reitmans, that sells sizes 12 +.

Natalie's couldn't find anything to wear at the stores for anorexics, so she got a killer outfit at addition-elle.

Addition-Elle by ChubChasinDude October 30, 2008

Addition Position

A 5-some position

A man lies on the bed on his back, erect with 2 fingered raised in the air.

The 4 other women take the 4 choices of pleasure (2 hands, mouth, penis)

The man gets into a position representing an addition symbol (+)

Credit - Lew K the fake taxi filmer

Man last night I had ur mom, sister, aunty and grandma over, got into the addition position, best night ever

Addition Position by Skucnal April 23, 2018

Addition by subtraction 

The phenomenon where a group of four or more people will raise their productivity in the event the least productive person is removed.

Me: “Have you seen Sam lately? We are finally making progress on our project & he is nowhere to be found?”
Boss: “Sam got canned yesterday. I walked him out personally. Sam was fired.”
Me: “Okay, yet another example of addition by subtraction”

Addition by subtraction by WeAreUFC October 10, 2025

One addition

One addition is known as the beter, more popular name of the band one direction,
a band formed with Lewis(aulso often referred at as Tommo the tease), Harold, Nialler, Lime (or Lima whatever you prefer)and Zen Milk.
The band has in total 3 names: one direction, one subtraction and the most popular one,one addition.

Interviewer: One addition will be performing live!
Lewis: Give it up for one addition

Fans: wooohooo (they loved the new name)
Lewis with yet another great idea for a new name: One subtraction
Fans: wooohooooo!

One addition by Oneadditioner November 10, 2020