The act of attempting to climb steep mountains/hills by jumping at various angles repeatedly in video games instead of trying to find the actual path that was intended to be used. Most commonly done while playing Skyrim, but can be performed in other games as well, with varying success depending on the video game and the mountain/hill in question.
Sk-eye-rim-ming: The act of abandoning your friends, family, work and other such social and physical obligations to sit in your underpants for a protracted length of time (possibly years) playing Skyrim.
Alternatively rimming someone while jumping out of an airplane at 40,000 feet. See also 'riming