fashamalamadingdong Share definition Flag Fashamalanadingdong is used when you have nothing to say or you don't know what to say (like welp but a funnier version) Ex: Brandi: I knew that you did that! Sam: fashamalamadingdong ? fashamalamadingdong by Fashamalamadingdong? July 31, 2017 Get the fashamalamadingdong mug.