A video, image or text spread by "word of mouth" on the internet or by e-mail for humorous, political or marketing purposes.
Of or relating to a biological virus.
Caused by a virus.
Of the nature of an informatic virus; able to spread copies of itself to other computers.
Spread by word of mouth, with minimal intervention in order to create buzz and interest.
(of an image, video, piece of information, etc.) circulated rapidly and widely from one Internet user to another.