Floofhole (floofinition) – 1. An obnoxious pet who seems deliberately contrary and unruly, often bothering and annoying others. 2. A pet who seems insatiable.
In use: “A big dog, he ate with gusto and ran with energy, a floofhole who seemed to swallow cans and bags of food without noticing, trying to eat everything else within reach, too. Nothing was safe.”