The sweaty hand that one gets from using a smart phone to surf the mobile web for so long that the phone heats up. Often combined with cramps in the hand from using the stylus.
I got palmpalm while passing time on this bus ride, man.
(noun) The palm of one's hand, as used for jotting down notes, lists and/or things to remember.
Sarah Palin couldn't remember her core principle's during a pre-screened and scripted Q & A session, so she scribbled them on her hillbilly palm pilot.