South Dakota term for "a very swollen, tight vagina" usually seen in North Korean during winter; other rapping-jacks can refer to the little outfits you can purchase to cover you rapping-jack(et) problem. Much money has been made from rapping-jack jackets; the vagina or "pussy" nevertheless stays very tight and swollen.
"Whoa DUDE, it tried to put my totem pole into her rapping-jack and that chick screamed something chinese at me...said later I had creamed on her rapping-jack jacket"
Jicky Jack is the process of turning a simple task in to multiple steps. When something becomes jammed and stuck, then you must use your Jicky Jacking skills to massage said task in to it's proper dwelling. To be a thorough Jicky Jacker you must posess a BIG HEART. It takes talent, patience, and above all, a rough hangover
When Bob found that there was no height to install the panel, he started revving the forklift engine and doing dangerousstuff to make sure that he could Jicky Jack that panel in to place.