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.
The act of pulling the foreskin over the tip of the penis right before orgasm, causing the seman to cover the tip of the penis
Yo bro I've been sleeking so much that thr cum has crystalized
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