It may have worked for Monica and Chandler, but a leading marine ecologist is warning people not to pee on themselves after a jellyfish sting.
In fact, Dr Tom Doyle from NUI Galway said that it could make the sting much worse.
New research has found that the best way to treat a sting from a Lions Mane jellyfish is vinegar and hot water, but treatments vary for the different type of sting.
