We're Finn and Jake

We're Finn and Jake is a short song sung by Finn and Jake near the beginning of "The Monster." BMO played an upbeat tune while they sang.

Lyrics
Finn: We're fa ha ha ha ha ha ha ha

Finn and Jake.

Jake: We'll ma ha ha ha ha ha ha ha

Make-y you make.

Both: ''We'll make you cry! Your mama lies!''

Finn: ''Jake like pies, I'm a guy, who'll stick my stick into your eye. And you'll say "Why, why, why, why, why?"''

Both: "Why, why, why, why, why?", "Why, why, why, why, why?"

Finn: PIZZA!

Trivia

 * The beat to this song was provided by BMO, so he may have files stored inside him of different beats or patterns of music.
 * This was the first duet of season 3.