Doing something cool, When someone does something cool, it would be considered yolly or if something is cool.
Did you hear Asap rocky new song, Yeah that shit was yolly

My new jeans are so yolly
by YeahItsope February 5, 2013
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A girl who has friends called Holly and Ollie. The name is short for Yolande, and is given to skinny, ginger girls who like drugs.
I love that yolly, she gave me MDMA.
by chloexxxxcore February 20, 2010
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A formal greeting or way of saying "Hello."
Tommy answered the phone saying "Yolly."
by Braygada October 1, 2007
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Yolli is a tremendous flute player who enjoys eating dipping dots. She's a big Christian and is always nice to everyone. She has the most wonderful smile and can light up anyone's mood by just being in their presence. She's good at math and will help out a friend any day. She also likes to look at church websites.
by 69.com February 1, 2017
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someone who is super funny and cute
Brett why are u so yolli
by joe lily bob July 18, 2018
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A definition which describes how amazingly cool yet retarted a person can be.

This word is most often used to describe a short person as well.
Look how Yollis that person is!

Oh she's so Yollis!

That's a Yollis!

On a scale of Yollis to Tall.
by MYSTERIOUSCHEUNG. April 25, 2010
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A volley of yawn. When someone yawns and the next person yawns and it keeps going back a forth.
Oi Sarah stop yawning you're gunna start of a yolly that will never end between us. Just stop!
by BoGJimPew January 16, 2022
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