To forcefully insert your testicles into a female's anus. Once the testicles have been snuggly positioned, one may even proceed to "flip the dick down the pussy" to heighten the sexual experience.
ex. 1) Freak dat bitch out then, Tone!
ex. 2) I told her, "spread 'em, bitch!" Then I put in my nuts in her ass. She said it wasn't her first time to be freaked out.
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