chance upon (someone or something)(redirected from chances upon them)
chance upon (someone or something)
To happen to find or encounter someone or something accidentally or coincidentally. I chanced upon him in the library after work, and we got into a great conversation about Hemingway's works. I chanced upon a $20 bill on my way to school this morning!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.