Exlusive "or". Meaning one or the other, but not both. In English, "or" is often meaning xor, and the computer "or" (meaning one or the other or both) is and/or.

"xor" is used in most computer syntax.
1: Chineese XOR Pizza
2: if (x==1 xor y==1) then ...
(meaning If x equals 1 or y equals 1 but not both, then ...
by Jerr May 11, 2004
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Conjunction meaning either the thing preceding it or the thing following it, but not both.
by null set July 29, 2003
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Xor, also known as exclusive or, operation used in binary. It is commonly used in Assembly and C.
%10101010
xor %11011011 = %01110001, where { ( 1 and 0 = 1 ) ( 0 and 0 = 0 ) ( 1 and 1 = 0 ). Xor is similar to Or expect of two factors: (1) Xor changes the bit to 0 if both bits are 1 (2) Xor can be undone where Or cannot.
Asm
ld a,%10101011
xor %11111111
;a = %01010100

C
int a
a = %10101011
xor %11111111
;a= %01010100
by Name what name May 12, 2006
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A binary operator. Denoted as (^)

10011
^ 01010
-----
11001
by blah August 27, 2003
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Modified suffix denoting elite(1337)ness

Origin: hacker -> h4x0r

Variations: zor, xor, x0r

Plural: xorz
OMG HAWT CHIX0Rz
fux0r pwnt u
by erilaz January 4, 2005
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When you're working through the night on a project, preferably one that deals with circuits, and you can only keep one eye open at a time.
Oh sunny sunrise,
You're a sight for XOR eyes.
by rajington December 4, 2007
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A shadow version of dd (a character from Ultimate custom night) who is found only by chance like all of the other secret characters.
Omg I got XOR, that’s rare.
by J L L Tolkhein February 16, 2022
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