What is Galactasaurus Rex?
1.
Noun- A hypothetical
1- "What happened to the sun, dude?"
"Oh, Galactasaurus Rex ate it."
2- "Yo, Andrew, what happens to planetary nebulas at the end of the Hertzsprung-Russell cycle?"
"I eat them. For I am Galactasaurus Rex. Muahahahahhahahaha!"
See