LORELAI: Hear them [the troubadours] out Taylor. It can’t hurt. (Taylor looks at the bag she’s holding in her hand) These are not fries. They are Fahrvergnügen sugen dugen.
Fahrvergnügen was a 1990 advertising slogan used to sell Volkswagen cars. It is a made up word, taken from the German for “driving enjoyment”.
The Annotated Gilmore Girls 