- (on the Internet) an image of a cat accompanied by misspelled or grammatically incorrect text that humorously represents the cat's imagined thoughts or comments on what the image is depicting.
- an Internet fad or meme typified by such an image.
- the innovative spellings or language of LOLcat: the rules of LOLcat.
Origin of LOLcat
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018