1. An abbreviation for Get Back To the Kitchen. It is a phrase used when a woman is in a place other than where she truly belongs.
2. It can also be used when a woman is talking nonsense, even if she is in the kitchen.
1. Woman: It was so nice of you to bring me out for a romantic walk on the beach tonight!
Man: Yeah... well now I'm hungry so GBTK
Woman: Okay! What was I thinking when I got out??
2. Woman: Omgggg I <3 the Lakersss.. Kobe Bryant is so hottt did you see his dunk??!! <3
Man: ... Woman, please GBTK if you don't know what you're talking about.
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.