pick on

pick on idiom
Tease, bully, victimize, as in She told Mom the boys were always picking on her. [Second half of 1800s] This expression is sometimes put as pick on someone your own size, meaning “don't badger someone who is younger, smaller, or weaker than yourself but do so only to an equal.”

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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