To be covered in a multitude of hickies several of which appear to lead in rows from one part of the body to another and resembling a sting track caused by the tentacles of a jellyfish.
Did you see the number of hickies going all the way down her neck? She was jellyfished!
by Greenman88 August 12, 2009
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A kind of faux five when you're going in to give someone a high five but quickly pull away, making your hand make jellyfish motions in the air while saying, "JELLYFISH!"
To add to the affect, apologize, then go in for a hug.
When they go in for the hug also, pull back and make the jellyfish motions with your arms while saying, "JELLYFISH!"

Known to be annoying as hell.
Kaitie: OMG! Highfive!
Courtiney: JELLYFISH!
Kaitie: ))):
by ROFLMAOWOTLK November 13, 2008
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An asshole fish that will kill you if you touch it.
Person swimming: oooo jellyfish
Person swimming: Ima touch it
De jellyfish: *sting* *zap* *kill*
Person swimming: *dead*
De jellyfish: hehehe he dead
by Josie :P August 15, 2013
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Someone who has no spine, no balls. A person who never stands up for themselves or anyone else. Someone who would never admit to any wrong doing.
I cannot believe that guy, he's such a jellyfish.
by Bacita Mae Jenkins April 4, 2020
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Verb-- The act if becomming so unbelievably drunk that your body takes on traits of a jellyfish. You have no brain, bones, eyes, or clue where you are or what you're doing.
Scott: "Holy shit what the hell happened last night? I don't remember leaving the bar!"

Amy Jo: "Yeah bud you were jellyfishing hardcore! We just sat across the bar and laughed at you."
by sbaue September 27, 2013
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An in-experienced form of foreplay. Handjob gone horribly wrong.
The Jellyfish: when a female gently plucks the head of an erect penis using her forefingers and thumb in an upwards motion. This resembles a jellyfish swimming. It is also an extremely unsatisfying act.
by Aksoe December 14, 2012
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A weak and scared man with no heart or a brain who acts like a tough guy. However, they are clearly see through and you can see through their bullshit and weak ass act they're putting on.
Hey Henry, stop acting like you're a wise guy. You're a jellyfish, I could see straight through your lying ass.
by Lorenzo The Great July 16, 2021
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