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1.
Similar to lolcats, but with pictures of dogs. Main catchphrase is "i can has a hot dog" instead of "i can has cheezburger".
I personally think loldogs are cuter and funnier than lolcats, but I guess it's all a matter of opinion.
by Jsol February 16, 2009
 
2.
(pronounced LAWL-dog) a dog that someone draws, usually to make fun of someone who says "dawg" too much. its usually a shitty drawing, but fucking hilarious to look at. its usually either sitting there, riding a skateboard, or smokin a blunt
you: hey faggot, look what i drew you

kid that you call "dawg":OMFG!!! its LOLDOG!!

you: yup.
by jesus fucking christ. February 17, 2009