When a woman (or man) is fellating another man (or woman) and there are other parties involved in conversation with, or adjacent to the recipient that are not privy to the current action.
That bitch done gave me head under the dinner table, call that top secret. (with some heavy 808's and trap style beat)
A color of paint that is TOP SECRET. Though there are many requests for the "color code" for Top Secret Goldpaint, no such code exists nor is it available from any paint or body shop. This color is a custom blend made from only the finest materials. The paint is usually available for around $500 per quart, pending the approval of the vehicle it is to be used on.
Dan Cicu's Top SecretGold Toyota Supra www.speedkingmotors.com
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.