Definition of "viral"
- adjective
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.
- noun
A video, image or text spread by "word of mouth" on the internet or by e-mail for humorous, political or marketing purposes.
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