When you hit(tap) someone in the nuts while saying nuttappers.
*hits you in the nuts*NUTTAPPERS!!!-Thats what nuttapping is.
by Nutguy June 9, 2009
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When your testicles are struck in such a way that they begin to hurt after several seconds of rising pain, generally accidentally. A nuttap can be self-inflicted, and is usually unintentional, or not the goal of the physical action that prompts the nuttap.

Nuttaps are only such IF the intent of the action was not a full-on assault of the testicle, but rather, a perfectly unfortunate 'tap' of the balls.

Generally, but not always, nuttaps take several seconds before an unusual amount of pain beings to swell from the perfect, and sometimes gentle, tap.
"Ahh shit.. I my dog jumped up on me and nuttapped me."
After I caught the football a little too low, the tip juuuuust nuttapped me, and it's really starting to hurt.
by Kopenich March 16, 2016
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