That which you do things for. Theoretically, the lulz can consist of anything that could potentially cause any person or group to burst out in extreme fits of the giggle-snorts. Lulz, being a corruption of the acronym "lol," can also be used as an exclamation of joy gained from a particularly hilarious situation.
Doug: Hey, Alex, why do you have to slam my locker shut every day?
Alex: I do it for the lulz.

Doug: Hey guys that douchebag just got punched in the face by an old lady.
Josiah: Oh my god, that's pure lulz.

Doug: FUCK!
Teacher: Doug, you have detention at three after school.
Josh: Lulz!
by Implying713 January 12, 2011
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1. A term used to justify ridiculous, pointless and occasionally gratuitous behaviour.

2. Personal justification for the life of an internet troll.
Example 1:
Guy 1: Dude, why did you senselessly murder that guy with an axe while listening to Huey Lewis and the News?

Guy 2: Ah, you know, for the lulz.

Example 2:
Guy 1: So, you were playing World of Warcraft till 4:00 in the morning just so you could follow that one guy around and annoy him?

Guy 2: Yeah.

Guy 1: ...

Guy 2: For the lulz.

Guy 1: Get help.
by Shadowy February 17, 2011
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You encounter something that contains so much hilarity that you realize will make you laugh for a really long time. However, you do not want to laugh for such a timespan so you compress the laughter into the phrase 'lulz to lulz'. It is is as though you went through a 10 minute laugh in a second.
Person 1: Hello there. I was on an online physic website where people predicted my future.
Person 2: A physic website as in a science website?
Person 1: Wtf are you talking about.
Person 2: Lulz to Lulz
by Brianji03 August 24, 2011
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The one answer to all "why did you..." questions. When writing, lulz MUST be in all lowercase. Also see lulz
Why did you touch that pencil? For the lulz
Why did you rape that woman? For the lulz.
by Kale S. December 3, 2008
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It's what you do things for.
Why post a giant image of 50 Hitlers?
I did it for the lulz
by Another Anonymous March 18, 2007
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Lulz is a typographical subversion of the word "lol", meaning to Laugh Out Loud, thus emphasising the humour derived from the subject by way of making the original word sillier.
Megalulz ensue.
Citizens of Hiroshima and Nagasaki: "Why Truman? Why the bomb? It killed thousands of innocent women and children"

President Harry Truman: "I did it for the lulz"
by Jamie Davidson January 2, 2008
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