1.Something possesing the quality of shiftyness, stealthyness, to be sketchy, secretive, to do something behind someone back.

"Shit man, that guy was so jell"
"He jelled me out of 10 bucks"
"Sheeeeit man, that bitch makes me so jell"
by G-mizzle November 20, 2005
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Is a type of person with a big forehead and a tiny peepee
Oh my that man is such a jelle
by Jangtwar October 29, 2020
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jelled or jells moment: whenever someone says some dumb and unfunny shit that no one other then the person who made the joke finds it funny, this can commonly be seen on twitter whenever jells decides to tweet something ''funny'' out.
syno: jells, please shut it, you're not funny.
jells: poggies, Samsung 455L Bottom Mount Fridge with Water Dispenser - Matte Black moment hahah

syno: jelled
by SynoR6 November 30, 2020
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A biochemist who deals with mundane tasks such as refining his polynucleotides or proteins with gel electrophoresis.
Peter Watts advertises himself as a failed jell jockey, for he had tried running plasmids and failed.
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Slang version of "Hell ya."
"Dude that party was sick as hell."

"Jell ya man!"
by Cali Shore January 23, 2010
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A pen that is usually a fun, out of the ordinary pen color. They are wet when you first write with them but once the ink dries they are amazing. Some come with a hint of sparlke in them so the ink turns out shimmery. Elementary school teachers like to grade papers with them. Little kids go crazy over them. They make anything look more exciting to read and they can write on black paper and look snazzy.
"is that a jell pen?"

"heck yes its a jell pen, why do you think i got an A on my report?"

"woww. i need to get some of those!"
by Gl!tter January 9, 2009
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The victory cry of Bill Cosby, as well as many of his fans and followers, stemming from his humorous speaking of the word jello, in regards to the desert. He eventually adopted it and began using it when he defeats an opponent in everyday life, or an online game.
L33TSniper: Aww I cant believe you beat me like that!

Cosby10: JELL-OWNED
by Victor Frieze September 30, 2009
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