Grossir Posted by bewilderebeest on August 1, 2012 Grossir = to gain weight, to get fat. In case you can’t read my scrawl: “Georges, qu’est-ce qui s’est passé? T’as vraiment grossi! As-tu mangé un ballon?” Translation: “George, what happened? You got really fat! Did you eat a balloon?” About these ads Share this:TwitterFacebookTumblrGoogle +1PinterestRedditStumbleUponLike this:Like Loading...