ufftata
Ufftata is commonly used in germany to express the sound of "oof" and additionally adding a "tata" in the end. Its origin arose from the "Hoppenstedt" videos of Loriot. Grandpa Hoppenstedt was listening to an old marching song and making the noice "Ufftata" or also known as "dada-Uff!" or "tata-Uff!"
Dirk: I forgot to feed my Stones this week again :(
Stein: Ufftata!
Stein: Ufftata!