Definition of "dogs bark, cats meow"

[D]ogs bark, cats meow, and sinners sin. Sinning comes natural to us. That's why we are in constant war with our flesh.

2009, Linda P. Kozar, Dannelle Woody, Babes with a Beatitude, page 146

He's surprised to learn she knows he drinks too much. "It's in the Met Centre facts of life file," she says; "dogs bark, cats meow and Stenning drinks."

2017, Bill Warren, Keep Watching the Skies!