What is the meaning of word floccinauccinihilipilification and use this in a sentence?

"Floccinaucinihilipilification" is a humorous word that means "the act of estimating something as worthless". It's a mouthful, and mostly used for its comedic effect.

Here's an example sentence:

"After receiving a low grade on his essay, the student declared his teacher's feedback to be nothing more than floccinaucinihilipilification."