the.com/deadweight

Mass that takes up space, drains energy, and never once lifts a finger back.

means A person, obligation, or object that just sits there as pure burden—contributing no force, effort, or use of its own, only weight to be hauled.

from A straightforward compound of 'dead' (inert, lifeless) plus 'weight,' first used literally in shipping and engineering for cargo or load that presses down without moving itself or helping the vessel along — as opposed to the ship's own structure or living weight that can shift or act. From there it sailed naturally into talk of people and burdens: anything inert that must be carried rather than anything that carries itself.

origin
a ship's cargo weight, not metaphor, originally
physics twist
no motion needed, dead just means unhelpful
economics use
deadweight loss means value destroyed, not transferred
office version
attends every meeting, contributes to none
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