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7.
Hilarious pictures of cats (or sometimes other animals) in cute and/or strange poses with a funny made-up caption. The most popular caption is "I can has cheeseburger?"
"You really shouldn't give a cat a cheeseburger."
"Dude, don't take lolcats seriously. It's just a joke."
by JennaWenna214 May 13, 2008
 
1.
A photo of a cat doing a seemingly-innocuous thing, with large text superimposed. Sort of an offshoot of the orly owl. Also called cat macros
"I made you a cookie but I eated it", "ceiling cat is watching you masturbate", and "I see what you did there" are good examples of lolcats.
by Yet Another Josh Cohen February 09, 2007
 
2.
The phenomenon of pasting captions in large text onto pictures of cats. The captions are a specific blend of:

1) txt msg text (shortcuts like "ur" for "your")
2) bad English-Asian translations (like the classic "all your base are belong to us")
3) common typing mistakes (like "!!!!1" and "ZOMG" and "teh")
4) misspellings (like "cheeze")
5) spam shortcuts (like substituting "5" for "S" and "3" for "e")
May I have some food, please?

might translate to, in lolcats:

i can has t3h kibbls plz??
by Monica Byrne May 18, 2007
 
3.
An internet meme created by the anonymous imageboard 4chan (lol rules 1&2) as Caturday in 2005 or earlier, which was recently stolen by www.icanhascheezburger.com and renamed lolcats. Most of the images currently circulating have been directly ripped without any consent from the board.
Retard: OMGHAI LIEK HAV U SEEN THE NEW HOTTEST TING LOLCATS???!!??
/b/tard: Yeah, I saw it 2 years ago before it was stolen by www.icanhascheezburger.com and renamed.
by Anonymi June 13, 2007
 
4.
Photographs of cats in compromising situations with captions describing the innermonologue of the pictured cat. The text is usually grammatically incorrect and relies on internet slang or "im" speak.
lolcat : A picture of a cat with burgeoning eyes and text reads "Can I haz cheesburgah?"
by totesboss April 23, 2008
 
5.
Photo's of cats doing funny things or in weird (and sometimes almost human) poses. The photos usually have a funny caption under them, the caption is sometimes written in leet speak.
Guy 1: "Yo, check out this photo of some cat with a sniper rifle."
Guy 2: "Wow, thats one funny lol cats picture"
by Zach Holland December 12, 2007
 
6.
Pictures of cats that make people forget about committing suicide. DEY NOM ON CHEEZBURGERZ!
Britney Spears was going to kill herself after shaving her head, but then she saw a LOLCAT with an invincible sandwich.
by KillTheDead March 26, 2010