Top definition
The result of farting in a bathtub and having the fart bubble tickle your sack. A fart big enough has been known to cause an erection or even, in rare cases, orgasm.
I don't need to jerk it now because I just had one hell of a nut bubbler in the tub.
by A Speelz January 13, 2010
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Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

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