also known as a ph. a puke handjob is when a woman chokes on your cock, throws up on it, and procedes to jack the guy off with the puke as lubricant. this only happens when your fucked uphopefully unless someone has a really sick fetish. puke handjobs are not enjoyable and are usually acidic in nature, which in turn burns the mans dick.
A move used by inexperienced teen girls. Instead of gripping the shaft like they should, the girl instead just uses the ends of her fingers on the tip, so that her hand looks similar to a swimming jellyfish.
My fifteen year old girlfriend just gave me a jellyfish handjob. I told her if she doesn't grip it next time, mr. backhand comes out