Unsatisfying means that something doesn't make you happy or feel good. Sometimes people use the word to describe things that are not good enough.
To prod is to poke or prod someone in order to get them to do something. Prodding can be done with your hands, with a stick, or with words.
To feverishly is to do something with a lot of energy and enthusiasm. You might be feverishly cleaning your house, or you might be feverishly working on a project.
A bucketful is a large amount. A bucketful of water can fill a bathtub or a swimming pool.
When someone is crazily is behaving in an irrational or uncontrolled way. They might be yelling or yelling at the top of their lungs, for no reason.
When something is wobbling, it is moving back and forth or side to side. This can be a sign of instability or danger.
A graviton is a particle that is responsible for gravity. It is thought to be a fundamental particle of the universe, along with the electron and the proton.
reverberates means to sound louder because it is being repeated multiple times. When you speak in a crowded room, your voice will reverberate because the sound is being repeated a lot.