Captions or titles spliced to say something different from the original, sometimes splicing in text from outside the focus work.
Examples include but are not limited to "EXPAND DONG" and "200.0% MAD"
https://knowyourmeme.com/memes/expand-dong
https://knowyourmeme.com/memes/200-mad
[i](Recommend changing tag title for danbooru standards)[/i]
expand dong