"Don't Stop Believing" is one of Glee's TV Series Songs. Listen to it, and follow the lyrics trying to guess the meaning of words by context. Below the video you'll find some help with vocabulary. Enjoy!
TO GET ONE'S FILL: It's an idiomatic expression meaning "to be satisfied" or "to have enough (or more than enough) of something".
TO ROLL THE DICE: An idiom which means"to take a chance on something". Example: "Let's roll the dice and see what happens."
SING THE BLUES: an idiomatic expression meaning "to complain".