
They only eat GRASS.
Game of Thrones Season 2, Episode 9

Have you seen
Leaves of Grass?
Breaking Bad Season 5, Episode 9

Why can't the GRASS
always be greener on your side?
Breaking Bad Season 2, Episode 10

the Khaleesi
of the Great Grass Sea,
Game of Thrones Season 7, Episode 3

Well, then I guess bring a blanket.
The GRASS gets damp at night.
The Big Bang Theory Season 8, Episode 24