Term of endearment referring to the youtube sensation SleekMars409 (Now known as ItsAlexxTV), refers to someone who gets a fuck ton of poon and looks like a 3 course meal
Fam you a Sleek Mars my Nigga

DAAMMNN my nigga a Sleek Mars
by SleekMars409 January 12, 2018
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Male reproductive ejaculate. Sperms.
“…your first task is to make sure none of Chewie’s sleek gets on any of the consoles. That stuff could glue Alderaan back together…”
by Jurassic Plarkque April 21, 2022
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Something that is really stylish and cool looking. Top notch and advanced.
Audi make really sleek cars.

Clothes by Adidas and Calvin Klein make you look sleek.

Etc.
by Death Menace April 17, 2023
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A design that interprets high quality performance but disappoints on its execution of an intended action.
A false appearance.
Person 1: Wow look at the shape of that train. I bet it's super fast!
Person 2 (probably a guy named Josh): Nah man, that train is faus sleek.
by Wierchum March 4, 2021
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When you are about to bust from a bald or shaven head woman and nut on top of her head
Damn gurl I'm about to pull a sleek squibby
by Krakjones January 17, 2021
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