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(noun) Common term used for a UV (UltraViolet) light/light bulb. Used in CSI often to find a semen samples.
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."
Officer Slater: "I mean, who doesn't ?"
Officer Michaels: "It'd be nice. Like that crime scene today."
Officer Slater: "Yeah."
Officer Michaels: "If the man had ejaculated and then punched you in the face..."
Officer Slater: "Yeah."
Officer Michaels: "...we'd have a real good shot at catching him."
Officer Slater: "No way."
Officer Michaels: "Just punched in the face, no semen."
Officer Slater: "Yeah, no semen."
Officer Michaels: "Story of my life."
by THC420 December 02, 2009
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Oct 31 Word of the Day
1. acronym for Laugh Out Loud + sob -- an expression for something that makes you lol and cry at the same time.

2. acronym for Laugh Out Loud, Son of a Bitch. An expression of bitter anger over something funny.
That fatal clown car accident made me lolsob-- clown cars are funny but my best friend was driving.
by duenna9 October 12, 2009
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A light that causes so many sexual urges, a man will grab the nearest chick and bone the living shit out of her.
*Hot guy* "Hey, sorry we w'ere late, we w'ere fucking hardcore under the blacklight."

*Random chick* "Dude, it just caused urges i could not ignore."

Another example: *Lil' kid* "Mom how are babies ma...*"

*Mom interrupts* "BLACKLIGHT!!!! BITCH!!!"
by nanafunana April 21, 2011
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To simply put it is a white person biologically "white" trying to change into black person usually it's people who found out there a "%" of a race
Example: Jayvin found out on he is 20% black so he is acting "black" aka a black light
by Za definer April 27, 2020
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