This is the 12060th most frequent German word.
tübing
The word "Tübing" is not a standard German word. It may be a misspelling or abbreviation.
Tübingen is used here as a proper noun referring to the city in Germany.
In Tübingen gibt es eine alte Universität.
In Tübingen, there is an old university.
Tübingen is used creatively here as a verb form, stemming from the English 'tubing'.
Wir tübingen den Fluss hinunter.
We are tubing down the river.
Tübingen is again a proper noun, referring to the city and its attributes.