A sexual move where you are on all fours and dragging your nuts on the ground. The friction from this action causes the ballsack to warm up. The man then pounces on the woman, supplying her with warmth and affection from the nuts alone.
Omg Becky, last night when I was with Tom we were getting all kinky and shit when all of a sudden he did the Crawling Tiger. My pussy was wetter than Niagara Falls itself that night