watch my dust

Also, watch my smoke. See how fast I am, or how quickly I'll succeed. For example, I'm going to turn that investment into my first million, just you watch my dust, or I'll make it, just watch my smoke. The first term alludes to the dust raised by a galloping horse, the second to the smoke generated by an engine. [Colloquial; late 1800s]


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The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.