when my co-worker cross-friended my prom-date from high school, i told him cross-friending is usually a bad idea
cross-friending is the practice of becoming friends on social media site with a friend of a friend, without your immediate friend's knowledge
"when my co-worker cross-friended my prom-date from high school, i told him cross-friending is usually a bad idea" What is the definition of "cross-friending"?