dead on one's feet

dead on one's feet  {adv. phr.},  {informal}
Very tired but still standing or walking; too tired to do more; exhausted.
Jimmy never leaves a job unfinished. He continues to work even when he's dead on his feet.
After the soldiers march all night, they are dead on their feet.
Compare: DEAD TIRED, WEAR OUT (2).
Categories: adverb death informal

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