Maybe diarrhea killed the dinos.
When Quinn the asteroid got there, all the dinosaurs crapped their pants.
Explosive diarrhea caused by global warming? Simultaneously fascinating and disgusting!
I don't know why everyone is so interested in what killed the ....dinosaurs.
It's pretty obvious.
... I mean... oil comes from dinosaurs and ......
Seriously though, large scaly creatures ruled over the Earth for much, much longer than it is likely WE will. So far, they were a 1000 times more successful than we currently are. It's more of a mystery why they survived so long before extinction, considering that 99% of all species that have lived on this planet have gone extinct.