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 19, 2005
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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.
by Sarasti 9 From Outer Space April 02, 2008
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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 29, 2009
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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 08, 2009
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A nicer way of saying that someone is jelous. Often used to lighten the mood.

Slang for jealous.

a fun way of saying ur jealous :
which sounds nicer?

"omg, don't be so jealous all the time!"
or
"omg, dont be so jell-o all the time!"

"omg i love your shirt! im soo jell-o right now..."
by i dont have a pseudonym June 07, 2009
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Affectionate abbreviation for "jelly belly"... Specifically, squishy post-baby* belly, commonly found on women who have had more than 1 baby and haven't hit the gym to brush up on their abs.

*"Post-baby" can be any time from right after giving birth to up to 5 years after your last child was born. After 5 years, your just plain flabby...get over it.

Also known as, "baby rolls"
"Honey, you still look hot to me; I love your jell bell."
by Hot Mommy May 17, 2008
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