eat someone's dust

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eat someone's dust (third-person singular simple present eats someone's dust, present participle eating someone's dust, simple past ate someone's dust, past participle eaten someone's dust)

1. (idiomatic, informal) To be outrun.

   You better move fast before you eat his dust.

2. (informal) To get one to be on a losing end.

• eat my dust

• bite the dust