When you have a pimple on one of your man danglers.
man #1 UUUGGGHHH dude my left ball is soooo sore
man #2 is there a pimple on it?
man #1 ya?
man #2 oooooh, why didn't you just say it was a nut balloon
man #1 nut balloon?
man #2 ya, it's a pimple in your balls
by mister moosecock January 24, 2012
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"When you put a condom on both your nuts to try and be funny but you just end up looking stupid"
"I tried to make her laugh with the Balloon nuts be she dident even smirk about them. What a bitch"
by Tittyspanker47 December 9, 2016
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