Definition for "Eat my dust"

Eat my dust - (Interjection)

informal An in-your-face mockery of a competitor to a losing rival.
  • I'm ahead of ya! Eat my dust!
....Source from : Wiktionary

Eat my dust - (General)

1. An in-your-face mockery of a competitor to a losing rival
Source or sample of word "eat my dust"
2. a reference to the fact that cowboys with lesser experience rode at the back of the herd, and thereby "ate the dust" of the more experienced drovers. To say this to someone meant to imply they were of a lower social status.
Source or sample of word "eat my dust"
....Source from : Google Definitions