It is also important to note that you should sing the melody in a minor key. Yup, lower the 3rd, folks.Officially licensed Grumpy Cat t-shirt.
Annoyed kitty, touchy kitty,
grouchy ball of fur.
Moody kitty, grumpy kitty,
Grrr, grrr, grrr.
Grumpy Kitty and lyrics on an ice grey, 100% cotton t-shirt.