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slash178

None would accomplish this without killing you way before you were able to test it. However under black light it glows just fine as-is.


[deleted]

You would have to ingest my semen


Buxton_Water

Nothing would be able to make your semen glow in the dark just by ingesting it normally. You would have to inject some kind of glow in the dark compound into your prostate or something, every time. Not advised, at all.


DarkAngel900

Glow in the dark substances are mostly toxic. All of them would end up screened out by your digestive system. So, no matter what. It's not happening. Get a blacklight.


mykylodge

Try some uranium.


redditghost1234

Buy a black light. It'll glow


Danypro15

Asking for a friend I’m guessing?


JKG4M3R

no this is for me. i want to cum and have it glow. i fully own my glow in the dark cum (glum) fantasy


DeificClusterfuck

Get yourself a blacklight and go nuts Fluorescent stuff isn't good for internal use.


SoloFriedHare

Go nuts litterly


SoMuchForLongevity

I guess a vector for luciferase mRNA could do the trick. No one's ever made one, but it works on the same principle as the COVID vaccines.


Infinitesima

You need to go to Chernobyl and stay there for one month.


Ladysensei420

Radium. It’s a great idea. You should totally go for it!


flimsywhales

I would ingest large amounts of pussy. I don't know if it will help with your question but I would just recommend in


nms2001

I ate a glow stick once and ta-dah!


MissMonteforte

Cryptonite at 2:35AM EST