The acronym of a Chinese word "老色批” directly translated into "a dirty old man". It is widely used among the Chinese-speaking ACG groups with a rather positive and self-mocking sense. People use the word to refer to themselves or others when they show affection for artworks with sex/lewd implications.
Who is not a lsp here, anyway?
If you are a fan of that lewd work artist, you must be a lsp.
by brawli October 30, 2020
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Lumpy Space Princess from the Cartoon Network show Adventure Time with Finn and Jake.
Finn: "LSP, why were you so rude?!"
by Princess Rainicorn July 15, 2010
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Last Second Piss. Just before leaving the house each day, the need to urinate one last time, just to be sure.
Rick: Hurry up! We're gonna be late for the movie - it starts in 3 minutes!!
Ned: Hang on! Just gotta do an LSP!!
by steveinakld July 31, 2012
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Love Sick Puppy - somebody who is desperately in love and becomes totally submissive.
I followed her around like a LSP, a truly love sick puppy.
by Termom December 20, 2005
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Lyrikal Snuff Productionz, a "Horrorcore" Rap Label, describing their sound as "GoreHop", founded by Denver, CO based artist "Scum".
Bro, Do you want to go to the LSP show later? I heard the lineup is dope
by DonOrias June 25, 2017
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noun: A "school" associated with NYU that pulls down the overall reputation and quality down with its "students" better suited for community college or anywhere not near NYU. LSP is overall a "fail" school used to take money from parents in denial about their children.

noun: Doing something incredibly stupid or being far below than the average person intellectually.
Justin: Dude, I just fucked Jill (she is gross - fat, short, ugly, and smells like a dumpster).

Chris: Dude, you are so LSP...

Justin: I know....
by qwertyuiopasdfghjklzxcvbnm000 November 2, 2011
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"light-skinned presumption. A term black females use to define other women,and who wants them,among their peers. high yellow brand nubian
"Yo,I was tellin' the bro' about her, but he obviously was under some LSP". mommadrama
by @lowbro May 10, 2012
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