This isn't directly about "how to get kicked".

But it's a way to introduce your partner to ballbusting in general, without risking being regarded as "weird".

In that classic book called "Everything You Always Wanted To Know About Sex -- But Were Afraid To Ask", it says that most men are very favorably stimulated by having the woman squeeze his balls when he's near orgasm. That famous sex guide-book only cautions that overdoing it by squeezing too hard will stop things cold.

For guys, it might be a good idea to get a copy of that book, underline, highlight, circle, or mark that paragraph, and show it to their partner.
Maybe even give her a copy to read at her leisure in privacy, because that book really is educational.
It's a respectable, mainstream, educational book that gives tips for both genders, not some "sleazy" fetish book for "weirdos". It's not something that book stores keep hidden "under the counter". It's respectable and written by a doctor.
It shows your partner that it's normal, and that it's something worth trying.

From there, you can gradually get your partner to increase the intensity, over a period of days, weeks or months.
After this kind of introduction to testicle stimulation, you can get into variations like kicking, hitting, or whatever it is that turns you on most.

Knowing that it's "normal" makes it acceptable to experiment with.
In the past, I've sometimes showed that part of that book to boyfriends, and asked them if they'd like to give it a try. Most agree, since the doctor who wrote the book says that most men find it pleasurable.
It's just a matter of time and experimenting to find out how far they want it taken.

I was surprised when I first read that, about 10 years ago (I was about 16).
But it's a fact.
Most guys do like it ! (At least to a certain intensity.)
From that to more severe treatment of the testicles ("ballbusting") is only a matter of degree. With some experimentation, over time you can get your partner into styles of ballbusting that you'll both enjoy.
Just be openly communicative and tell each other what you like, what you don't like, and what might be fun to try next time.

Guys? Just don't carry the book around to show to girls at nightclubs and parties, OK? Hee, hee!

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About the book:
"Everything You Always Wanted to Know About Sex but Were Afraid to Ask"
by David R. Reuben, M.D.
(It has nothing to do with the Woody Allen movie with the same name.)
It has sold over 30 million copies since it first came out about 30 years ago.
The version available now in stores has been updated and changed a lot, but I assume and hope that it still includes the advice on squeezing balls. (But I'm not sure.)
If you want to look for it, here's the information:
Hardcover: 368 pages
Publisher: HarperCollins Publishers; All new ed., (January 1, 1999)
The most recent softcover version is:ISBN: 0553231677
Publisher: Bantam Books; Reissue edition (June 1, 1982)
At places like Amazon.com you can get either version, new or used, as well as previous editions all the way back to 1969, at cheap prices, with international shipping available.
If you're lucky, your local library might even have an older copy available.
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- Sara