Causing the man's testicles to retract, so the man doesn't feel them in their original state. This will make it feel as if they are numb and/or removed.
Yeah, I saw this guy who sprayed hairspray on his dick.
- Ouch man, I can imagine the nutnumbing pain.
by Tom Cruiseship May 25, 2009

5 Words Related to Nutnumbing

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