Worlds Greatest Farter, I Mean Father Funny Ceramic Mug Ceramic Mug 11 Oz. Black Funny Father's Day Gift for Dad, Grandpa, Husband From Son, Daughter, Wife. Ceramic Mug for Coffee & Tea Lovers. Perfect Christmas Gift Idea. A GIFT Your Papa Will LOVE - The ideal gift that's personal, always useful and never fails to please. HIGH QUALITY CERAMIC MUG - This perfect sized Coffee mug is available in 11oz or 15oz sizes. MICROWAVE AND DISHWASHER SAFE - guaranteed to last - HIGH QUALITY CERAMIC MUG.