jerk juice
the cum that seeps out of the penis before you actually ejaculate while jerking off. which is used to help in the climax in the masterbation phase.
yo I was getting dry man but thankfully I worked it out with some jerk juice
jerk off juice
the shit that comes out of your dick hole after rubbin one out.
bro i was smackin the monkey hard yesterday to rosie odonell and i made enough jerk off juice to feed a sperm bank.