1) To insert one's nuts into the mouth of another (of either gender), usually while they are sleeping. Can either be a situation of laughter or of excruciating pain, depending on whether the victim is a biter.

2) When after being brutally killed in Halo 2, your opponent squats repeatedly on you, imitating the act of dipping his balls on you. Rather humiliating, especially when there's more than one of them doing it.

3) A small bag of dried herbs, that magically makes tea when you add water and give it some time to steep.

4) The scrotum of a man who has had his testicles removed.

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.

Roses are red, nuts are brown
Skirts go up, pants come down
Body to body, skin to skin
When its stiff, stick it in
The longer its in, the stronger it gets
It goes in wet and comes out dry
It comes out dripping and starts to sag

To dunk ones scrotum into the open mouth of another person

(v). To lower your body as to dip the testicles into her mouth as the woman is tounging the scrotum.

(n. or v.) To place testicles in someone's mouth and procede in a up and down motion.

Dipping your testicles into the open mouth of another person. Kind of like dipping a tea bag in and out of a cup of water.