didn't invent gunpowder

didn't invent gunpowder

Didn't do anything significant. I don't understand why he's so conceited—he didn't invent gunpowder or anything!
See also: invent
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

didn't invent gunpowder

Rur. did not do anything terribly important. He may be the class president, but he didn't invent gunpowder. What's all this fuss about a movie star? She didn't invent gunpowder!
See also: invent
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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