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happen (up)on (someone or something)
To find or encounter someone or something randomly or without planning or intent. I happened on a quaint new craft store the other day. I happened upon your brother yesterday in the grocery store.
See also: happen
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
happen (up)on someone or something
to come upon someone or something, as if by accident. (See also come (up)on someone or something.) I just happened upon a strange little man in the street who offered to sell me a watch. Andrew happened on a book that interested him, so he bought it.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
happen onor happen upon
To find or meet someone or something accidentally: She happened on a $10 bill that lay on the sidewalk. The detective happened upon a clue while searching the cabin.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.