It's a verb. It means to eat really fast and really sloppily.
Ubi caritas est vera, Deus ibi est.
"The mark of your ignorance is the depth of your belief in injustice and tragedy. What the caterpillar calls the end of the world, the Master calls the butterfly." ~ Richard Bach
GRRAAAABBLEEALDGALGDDA
It means a show of disapproval.
You shouldn't judge a book by it's cover, instead, you should read every single book to see what every book is about before you even come close to judging its viability.
When we are children we seldom think of the future. This innocence leaves us free to enjoy ourselves as few adults can. The day we fret about the future is the day we leave our childhood behind. — Patrick Rothfuss, The Name of the Wind