Mentioned in The Bridget Jones Diaries

A term used to describe a man or woman who engages in conversations with people just to give them social stings 1.
1 Hey Daniel. I met your wife today at lunchtime with Seb from Personnel. They were very intimate but you probably dont need to know about that. (The act of being a social jellyfish)
by Echoinghell June 2, 2011
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A football player whose dreadlocks stick out from underneath their helmet. Term coined by Bill Hader as Stefon on Saturday Night Live's Weekend Update.
Robert Griffin III, Marshawn Lynch, Larry Fitzgerald, Chris Johnson, and Stephen Jackson are all football jellyfish.
by Newt Spoot June 3, 2013
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N: Semen that is left on the shower floor that resembles a beached jellyfish, or washed ashore. Jizz
Damn it.... The freakin drains are clogged again cause of all the shower jellyfish-
by will6252 August 5, 2008
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A Downriver Jellyfish refers to the aquatic marvel that is indigenous to the southern portion of the Detroit River. Its composition consist of one used latex condom with ejaculate, knotted off and released into the water. Downriver Jellyfish are often observed floating in marinas, canals and occasionally known to wash up on beaches.
"Hey Steve! It must of been a real fuck-fest last night, there is a school of Downriver Jellyfish floating near the boat".
by Lazynugz August 15, 2019
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This move is done after engaging in doggystyle secks. The man ejaculates into the woman's vagina. He then holds his hand like a cup underneath the semen (Jellyfish) filled vagina. With his other hand he grabs the woman's side and begins to tickle her. If done correctly it will cause a muscle contraction that forces the semen from the vagina into the cupped hand. When the woman turns to look back to see what is going on, that is when the male siezes the opportunity and hits her right in between the eyes with a Jellyfish Fastball.
That bitch was so pissed when I hit her with a sidearm Jellyfish Fastball!
by Hoostin10 September 20, 2011
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A sex move. It begins with the pair doing it doggy style. The person on the giving end then takes a 5-gallon bucket full of grape jelly and dumps it on the head of the other partner. The giver then promptly zaps their partner with a taser.
Dude, I gave my girlfriend the Scandinavian Jellyfish and now she's in a coma!
by Cockjockey 942 July 23, 2008
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The most venomous jellyfish living in the World. Its head is not hazardous but its tentacles can kill a human in 4 minutes when touched.
The box jellyfish is a very dangerous sea creature that lives in Australia.
by Secondary Metabolite May 18, 2022
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