"Tom Tiddler's Ground" is the title of an 1861 short story by Charles Dickens, and the phrase "Tom Tidler's ground" appears in his novels Nicholas Nickleby, David Copperfield and Dombey and Son.
Tom Tiddler's Ground, also known as Tom Tidler's Ground or Tommy Tiddler's Ground, is a longstanding children's game. One player, "Tom Tiddler," stands on a heap of stones, gravel, etc. Other players rush onto the heap, crying "Here I am on Tom Tiddler's ground, picking up gold and silver," while Tom tries to capture.