duckhouse noun ▶ one up against your duckhouse something to your detriment; one against you AUSTRALIA,1933
And a blooming lot of good that was, when Ma gave Minnie the sack at the end of the week on the plea that she was too young for housework–which was one up agen old Martha’s duckhouse, depriving her of a kitchen minion. — Norman Lindsay, HalfwaytoAnywhere, p. 69, 1947