Hoffenheit is a playful, invented German word built from "Hoffnung" (hope) and the suffix "-heit," which normally turns an adjective into an abstract noun, the way "frei" (free) becomes "Freiheit" (freedom). The band coins it to name a quality that does not officially exist in the dictionary.
In the line "Hoffenheit ist eine variable Größe" ("Hopefulness is a variable quantity"), the made-up word is treated almost scientifically, as something that can rise and fall, which gives the song a witty, philosophical touch.
Ever felt like you're totally lost in translation? Sportfreunde Stiller gets it. This song is a hilarious and chaotic celebration of misunderstanding. It kicks off by greeting the "liebe Sprachbarriere" [dear language barrier] that loves to get in the way, leading to a feeling of "Ende Gelände sone Elende Misere" [end of the line, such a miserable situation]. The verses are a rapid-fire list of funny wordplay and things that sound similar but are definitely not the same, like how "Niveau ist keine Creme" [Class/Style is not a cream], a great little joke about the Nivea brand.
The whole thing builds to the fantastic chorus. First, the band sarcastically sings "Alles Roger / Alles wunderbar" [Everything's okay / Everything's wonderful], using a common German phrase. But then they immediately flip it around and ask the most logical question: "Nichts ist klar / Wer ist Roger?" [Nothing is clear / Who is Roger?]. It's a super clever and funny way to point out how absurd language can be when you take it literally. The song is a playful mess of confusion, jokes, and rock music.