Johnny-come-lately

Johnny-come-lately idiom
A newcomer, as in She may be a Johnny-come-lately on the board, but she's doing a fine job with publicity. [1830s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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