To not masturbate with out some kind of high-tech jack-off machine, pocket pussy, fleshlight or any other improvised masturbatory devices.
Basically being masturbated a human with their hand other than your own hand.
Synonyms for A Manual
On this page, you will find 30 slang terms related to a manual. Some of the top words include: finger fuck, jiggle the wires, Chicken Strangling, roll your quaters, waxing, and 25 more.