After having sex in a swimming pool, you pull out, leaving a cloud of jizzum resembling a jellyfish.
by Uncle Jerry Sandusky June 5, 2014

a dude masturbating in the shower; the semen fallen to the water soaked floor look like little jellyfish swimmin' around.
"I was dropping jellyfish so much last night my bathroom is its own underwater ecosystem."
most obvious when water level is at least an inch, and your face happens to be down close enough to the floor.. also exemplified by liquid soap squirted into a basin of water.
most obvious when water level is at least an inch, and your face happens to be down close enough to the floor.. also exemplified by liquid soap squirted into a basin of water.
by gabilanwings December 9, 2008

To have ADHD, ADD or any other form of not being able to pay attention. Someone so distracted that the most random, unimportant thing could occur and they'd go AFK.
*Conversation happening*
"What do you think, Mark?"
*Silence*
Kane: Oh, he went brb jellyfish.
*Two hours later*
Mark: I'm back guise, I have cheesey chicken
"What do you think, Mark?"
*Silence*
Kane: Oh, he went brb jellyfish.
*Two hours later*
Mark: I'm back guise, I have cheesey chicken
by StephanieQ January 23, 2009

A delightful mixture of cocaine and semen, and the pleasure of ejaculating into your cocaine before you snort it.
by MALS-11 RyanX September 29, 2009

Holy shit dude, my mom almost walked in on me spanking the jellyfish!
Turn the fucking fan on! I can hear you spanking the jellyfish!
Turn the fucking fan on! I can hear you spanking the jellyfish!
by CR24 September 1, 2009

The ignorance of people that don’t know what the highbeam light on the dash of their car is, resulting in blinding oncoming traffic.
Passenger: Dude turn your highbeams off there’s other people on the road!
Driver: I didn’t know the jellyfish launcher meant my highbeams were on...
Driver: I didn’t know the jellyfish launcher meant my highbeams were on...
by Captain Mortality April 1, 2021

by Cpt. Long shlong August 10, 2010
