When a tranny farts on your balls. Or the simple act of smacking your balls off their butthole.
Man.... Jimmy looks like you got poo and corn on your shirt. Nope Kristy gave me Thunder Nuts.

Don't pull out Sean....I want to give you Thunder Nuts.
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Some man, and or manly woman that has just grew the largest set of balls and thinks they can do anything, even though they cant and everyone around them knows it.

or

A fucker
My dad was all thunder nutted and he wouldnt let me fix the tv so when he broke it more I rubbed it in his face.

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Ok thunder nuts go fuck your self and leave me alone.
by Brittiney November 6, 2007
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When your partner sucks you off so hard that your Semen looks like thunder hitting your partner in her Vaguba.
I Thor Thunder Nutted jessica yesteday, it was pretty nice.
by TheRyaNut May 2, 2019
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