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An acronym used by Australian writer Jack Heath and now taken up by numerous bloggers, meaning "Most Interesting Thing I Found On The Internet Today".
Person 1: "Dude, you see the mitifotit I posted on my blog the other day?"
Person 2: "Man, no-one reads your blog."
Person 1: "Well, it was totally bitchin. I found this great flash game where-"
Person 2: "Dude, shut up."
by joseford December 25, 2008
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