‘Game of Thrones’ Star — Slams Steve-O’s Frost Giant

Sansa Stark has lots of pent up rage … and the video of her taking it all out on Steve-O‘s nuts is pretty damn hard to watch.

Sophie Turner punted the “Jackass” star right between his field goal posts with extremely painful results during an event for a big new movie they’re both in called “Barely Lethal.”

The plot says the tap is about a teenage…