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Stands for: That's What The Fuck I Said.
Used when someone repeats something you said or when you are agreeing with someone who shares the same opinion as you.
Girl 1: And I was like, ' It's obviously seven!!"
Girl 2: No you didnt. I answered that question.. TWTFIS!

Boy 1: She's so dirty, why would he put his penis in that?
Boy 2: I know! TWTFIS
by anonymous11116 January 12, 2011
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Apr 22 Word of the Day
When you eat dirt for the first time and leave your family to build a shack in the woods
Bro since I got dirtpilled on Tuesday I have made sooo many worm friends and made them soo many little houses to get married in. Me? Lonely? No you’re the lonely one u lawn owning freak
via giphy
by ecogoth December 30, 2020
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