The male ejaculate left floating in the tub or shower following masturbation, resembling the marine invertebrate. Generally non-poisonous.
"Dude, go ahead and use my shower but I know you haven't been laid for a while. I better not find any fresh-water jellyfish in there later."
"I would never do such a thing, mate. I'm offended you would suggest it... Any baby oil in the medicine cabinet?"
"I would never do such a thing, mate. I'm offended you would suggest it... Any baby oil in the medicine cabinet?"
by JT Amish December 15, 2009
Hey bud, don't step on the endangered fresh water jellyfish swimming in the shower or you'll get a fine.
by jonny5000 June 05, 2009