Another stinky quest begins for Marty and the boys, They must investigate each blush and rumbly, grumbly noise. With each smell and wafting breeze, each lad must play his part, To answer this most puzzling question: DO MUMS FART? Mums Don't Fart, Okay!! is the hilarious, stinky sequel to Girls Don't Fart, Okay!! Detailing tummy-rublingly funny fart scenes, this pungent tale is filled with #smelfies, downward-dog toots and more!