A form of foreplay in which one gives the male partisipant head while tugging on his pubes (jellyfish tentacles) and licking his sac (the squishy part of the jellyfish)
Mark: Dude, my girlfriend gave me glorious head last night
Rob: Duuuuuude, did she finally agree to give you jellyfish sex?
Mark: Heck yes!
Rob: Duuuuuude, did she finally agree to give you jellyfish sex?
Mark: Heck yes!
by nOOms March 25, 2011
Bro 1: hey dude how’d it go with that hottie last night?
Bro 2: Nothing major just some jellyfish sex and titty fuck.
Bro 2: Nothing major just some jellyfish sex and titty fuck.
by Edenjayy September 26, 2021