Barbaras Rhabarberbar began as a traditional German tongue twister about Barbara, her rhubarb cake, and the bar where it became famous. In late 2023 comedian and musician Bodo Wartke turned it into a fast rap song with Marti Fischer, and the track spread widely on TikTok in 2024. Dancers created a synchronized routine to the chorus, language learners tried to copy the verses, and the phrase became recognizable far beyond German speakers as a test of speed and pronunciation.