42 Idiom Origins - mental_floss on YouTube (Ep. 29)

What are the origins of idioms and expressions we use in everyday life? The origins of expressions and common sayings can be self-evident or shrouded in half-truths. We try to get to the bottom of these everyday idioms and phrases in this episode of The List Show. The List Show is a weekly show where knowledge junkies get their fix of trivia-tastic information. This week, John looks at the origins of 42 idioms such as, "once in a blue moon," "peeping Tom," and "silver lining." Select Images and Footage provided by Shutterstock: www.shutterstock.com ---- Website: http://www.mentalfloss.com Twitter: http://www.twitter.com/mental_floss Facebook: http://www.facebook.com/mentalflossmagazine