1}(noun)-Similiar to the act of scull fucking, but less pelvic thrusting(aka passive scull fucking).
2)(adjective)- a hot girl, or one who posseses traits that are eye-pleasing
3)(archaic)(noun)- to do well in something
"I DEMAND gummy"
"The gummifacation process started as soon as I first laid eyes on her"
(archaic)"How did you test go? I got gummy"