It stands for 'GottDamn thats funny' and is begining to become popular. This word usually takes the place of Lmfao or it is used when something is really funny.(Used in texts or online)
David: Heyy Brooke, u think i should bring protection next time i go to ur house ;)
Brooke: umm... im sorry i dont think of you like that
David: Noo...i mean protection like shoulder pads, so you know i dont hurt myself if i trip >.>
Brooke: Gdtf Nice save
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.