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
Robert: If you ever waded into the Intelligent Design debate, you surely encountered a PhD biologist or chemist confidently tell you, "The very notion of looking at an organism and speculating on whether it is 'designed' is unscientific."
And yet, that's the main topic regarding Wuhan.
It is said of the situation where a person has the bad luck to make contact with his testicles against an undefined surface or object, intentioned or not.
Given the nature of the word, it is more appropriate to design cases where the interaction is made with a moving object, for example, a ball.
Although it is extremely painful for the victim, it tends to be considerably funny to people who witness it.
Today in the baseball game the pitcher took a nutshot; the baseball hit him in the nuts.
Man, I just watched the funniest nutshot video ever.