posted on May 31, 2008 by Jennie French Slang & Idiom Exercises Filed under Learning French, Website 2 I love Hot Potatoes. I’ve been making some interactive matching, multiple choice, and gap-fill exercises to go with my Informal French & Slang page. Do you know what une tube is? How about potin? Pige? Toubib? Flotte? Check out the exercises here!