antimeme
noun
RareNot in standard dictionaries
1
A meme deployed to nullify or protect against another meme.
2
A unit of information that prevents itself from being spread, either due to its contents, (e.g, a password or encrypted document,) or a secondary mechanism that prevents its transmission. (e.g, by erasing itself from any mind that it enters.)
3
An image macro which intentionally subverts one's expectations by not including a joke; a meme antijoke.
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