This is when you take a small trash bag and place it over your partner's head when you're taking her from behind, then you close off the bag around her neck as you pull out of her vagina and go balls deep into her anus, she will expel an enormous amount of air to inflate the trash bag to resemble a Jelly Fish.
Dude, I went so far in her, so fast, she inflated the bag and looked like the Man-a-War Jelly Fish
by Bigdaddy Catalano August 06, 2008

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An adjective used to describe anything at all. Seriously, anything. It adapts to any situation, leaving people curious as to the meaning. It is meaningless, which makes it oh so meaningful.

(It's also a gnarls barkley sea creature that stings you and whatnot)
Man, that slut is lookin totally jellyfish! Hell yeah!

I don't know, I felt like the yams were a little too jellyfish this year.


by eed258 January 09, 2009

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When a person puts a hand in for a high five, but just before the kill, the giver of the high five wriggles their hand away, and annoyingly shouts "jellyfish!"
Jill went to high five Matt as congratulations, then she Jellyfished him.
by Mrs.Morphine December 18, 2008

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(n) moving your hand in a jellyfish movement on a man's package while trying to give him a handjob. something most little eighth grade girls do to their older boyfriends, for lack of knowledge how to give a real one.
"Man she jellyfished me again):"

Man 1: "Did you hear what Drew & Kelly did last night?"
Man 2: "Nahh what"
Man 1: "Kelly jellyfished him again"
Man 2: "Damn eighth graders don't know how to give a proper handjob"
by lollipopsinyourmouth March 26, 2009

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a guys load left on the shower floor.
telling your buddy not to slip on your jelly fish when he showers.
by moammar charleson October 17, 2007

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When someone takes greens from a bowl, this is the term to describe the smoke that rises off the bowl that resembles a jellyfish
bob: yo man hit that shit hard, you got greens.
joe: nice. *takes hit*
bob: oh damn, nice jellyfish
by aceshigh1091 January 05, 2008

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N., a statement that sounds like a compliment but, the more you think about it, the more it stings like an insult. So named because, like a jellyfish, you don't feel it at first, but the longer you leave it on, the more it stings.
Chick #1: She was like, "You actually look nice today," and I was like, "Thanks." But then I'm like, what the fuck was the purpose of "actually"? Was she saying I don't usually look nice?
Chick #2: She said a total jellyfish to you, bitch.
by nappy pappy April 27, 2008

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