This is one of those words that most people don’t know, even though they know the thing.
The term “image macro” originated on forum websites including that of Something Awful.[non-primary source needed] The name derived from the fact that the ‘macros’ were a short bit of text a user could enter that the forum software would automatically parse and expand into the code for a pre-defined image, relating to the computer science topic of a macro, defined as “a rule or pattern that specifies how a certain input sequence (often a sequence of characters) should be mapped to an output sequence (also often a sequence of characters) according to a defined procedure.”
In other words, it’s one of these …
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