Du bist mein allerliebster schatz
(You are my most favorite treasure)
An deiner seite ist mein platz
(My place is at your side)
Weil ich dich so gerne kuschel
(Because I love to cuddle you)
bist du mein susse Schnuffel
(You are my sweet Schnuffel)
Kuschel, kuschel, kuschel, kuschel
(Cuddle, cuddle, cuddle, cuddle)
Du bist mein kleiner susser Schnuffel
(You are my little sweet Schnuffel)
Du bist mein kleiner susser stern
(You are my little sweet star)
Hab dich zum kuscheln gern
(I like to cuddle you)
So, there you go! We don't have a translation for the word Schnuffel. It's just a nickname for the bunny's carrot in the video.