-ˈtidlə(r)z- noun
also tommy tiddler's ground
Usage: usually capitalized both Ts
Etymology: from Tom Tiddler, Tommy Tiddler, name given to the player who is “it”
1. : a game in which a player designated Tom Tiddler or Tommy Tiddler tries to catch the other players who invade the area designated as his property
2. : a place (as a no-man's-land) where pickings may be sought or had without effective interference
this country was a Tom Tiddler's ground of raiding parties — T.E.Lawrence
the border now became a sort of Tom Tiddler's ground filled with warring Kaffirs — Stuart Cloete