Top definition
1+1 = 2

Used by many kids in Elementary School at an attempt to be funny.
Kid 1: Well, whats 1+1?

Kid 2: 4

Kid 1: No! its 2!

Kid 2: no you got to add the 0's!

Kid 1: oh, haha, you coming to my birthday?
by Arwing9 October 17, 2006

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2
Its a very simple math problem, but yet its freaking hard at three in the morning without coffee.
hey, whats 1+1 ? me? I have no idea what it is
by Zack the feind ninja January 09, 2006

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3
Q: So you gonna kick my ass?
A: 1+1 baby.....it's on. 1+1!
by Benjamin Funke January 08, 2006

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4
1+1 = -2
Because:

1+1 = sqrt((1+1)^2)
sqrt((1+1)^2) = sqrt(2^2)
sqrt(2^2) = sqrt(4)
sqrt(4) = sqrt(-2^2)
sqrt(-2^2) = -2

This is because:

-2^2 = 4
1+1 is sooo not two. it's -2!
by Tepel October 25, 2006

### The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.