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I think I found out what it stands for!

NULL = Nut Under Legal License

Meaning the Law will take the thing away because it isn't
under YOUR license.
I am the first one on the planet to find out what
NULL stands for.
by Buttlamo November 16, 2007
26 60
NULL - n., adj. - signifying the absance of data. Things such as character strings, and various types of numeric values can be described as "NULL" when they contain no data. (shadow:light::NULL:data)
<faceprint> we returned js->roomlist without setting it, so it was NULL

(In C++:
void function()
int variable;

'variable' would have a value of NULL until it is initialized, and 'function' would return NULL because it was created with a 'void' data type.)

"Your sister is soooo stupid, it's like she's NULL between the ears..."
by Vorondil September 18, 2004
288 197
1. Of or relating to nothing; nothingness.
2. Javascript, when a propertie has the equalness of zero, etc.
1. My bedroom is just null.
2. The command prompt asked me to type my name. I hit 'Enter' without typing a name, and on the webpage, it said 'Hello, null! Welcome to my site!'
by Bastardized Bottomburp May 11, 2003
192 172
Unfortunately nobody can be told what the NULL is…
NULL is the value that we can not define. This is special value used in db that is given to the field when no value was assigned. In practical life we can consider it as no value. It is not zero, it is not letter or any other character this is something that can not be used.
by oc September 12, 2003
157 138
Programming term meaning empty or not set.
Pressing return on an empty web form returns null values.
by Chris Patterson October 23, 2007
91 78
the word that keeps showing up when writing or reading truths for other people in the truth box on myspace
null has not posted any public truths
by annoyedmyspacer April 12, 2009
26 47
null or null-o means zero, no more, not there, absent,lacking, broke($). and many more...
I'd like to be in null-o gravity.
>Bill, how much you got? Dude I got null.
by Theodore Logan April 20, 2003
26 48
boring; not fun; not interesting
"Lets skip today, school is null."
by cunfusedkid101 August 24, 2005
33 57