It is believed dinosaurs are extinct due to a giant meteor. That's true if you want to call Chuck Norris a giant meteor.
One dinosaur said, "What do you want to be when you grow up?" Another dinosaur said "A non-renewable recourse!"
Once Chuck Norris went back in time and kicked a ball. When it landed it wiped out the dinosaurs.
Q: What do you call a gay dinosaur? A: Mega-saur-ass