"possible semen sample plus a blacklight situation:  officer michaels: "i often go to sleep and dream of waking up in a world where everything's covered in semen
(noun) common term used for a uv (ultraviolet) light/light bulb
""possible semen sample plus a blacklight situation:  officer michaels: "i often go to sleep and dream of waking up in a world where everything's covered in semen" What is the definition of "blacklight"?