palm sisters

Your left hand and right hand. For example usually somebody says as a joke, "Did you get some lovin' from the palm sisters last night."

Hannah Palm and her sisters, (term), using your hand and all your fingers and thumb to masturbate. Suburban speak in San Jose in the 1980s and may still be used. Although at the time the joke was a play on the Woody Allen film, Hannah and her Sisters. The actual act can only be achieved if your meat is pretty large, at least 6.5 inches.

Sometimes 'Handy Palma' or 'Hannah Pamela' also.