the.com/roost
The perch where birds clock out and chickens come home to win arguments.
means A branch, bar, or rail where birds settle to sleep — or, figuratively, the place someone dominates.
from From Old English hrost, the wooden frame of a roof where domestic fowl bedded down for the night.
Rule the roostOriginally rule the roast, carving authority at table.
Coming homeBad deeds, like birds, return to their perch.
Vertical biasBirds roost high to dodge ground-bound predators.