To leave quickly and deliberately.
Origin: Vietnam War. Bo di means leave and Chay means run quickly.
“Bo di chay” spoken quickly in Vietnamese sounded like “book it” to the U.S. soldiers.
When they returned home, they spread the term across the whole country. Which is
why everyone claims they used it growing up during and after the Vietnam war.
When you or someone else says something funny or someone says something that just catches your attention like a phrase or a joke and you want to post it on Facebook.