Английский словарь американских идиом - tag end

or tail end {n.}, {informal} The end, farthest to the rear, last in line, nearest the bottom, or least important. * /John was at the tail end of his class./ * /Mary's part in the play came at the tag end, and she got bored waiting./ * /Bill waited at the crossing for the tag end of a freight to go by./