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2.
A fabled term thought to be impossible by many; when a couple ar 69ing, the female (or male, if you like to be gay), sucking on the guy's penis, deep throats him so much she panicks and attempts to take a huge sniff of air so powerful that she (or he, you sick bastard) sucks his balls up into her (I'm not saying "his" anymore) nostrils, causing intense pain to both people.
"...to give NOSEBALLS to..."
"...to get NOSEBALLS..."
by Ka1iBuR October 15, 2007
 
1.
the ball on the tip of your nose
that assfuck has the biggest noseball ever
by clairebear01992 August 21, 2007