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.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.