memes

It's a scene from Star Wars Episode 2: Attack of the Clones.

Here we see the characters Anakin Skywalker (left) and Padme Amidala (right) sitting in a field while on the planet of Naboo, Amidala's home planet. Anakin is poorly hitting on her like the awkward teenager he is.

However, instead of referencing sexual fluids, he is speaking in reference to the overall system of governance that the Republic has become.

I am not trying to be condescending so please don't take my extended explanation as such, I just assume you have no idea what any of it is since you asked a question that would be answered if you had seen and remembered the movie at some point.

They are sitting and it is nipple high. Typically the height of grass is described by the part of the body it touches whilst standing though. We can only extrapolate here, but likely this would be be called knee high grass.