A vampire dinosaur (of any type of dinosaur).
The mad scientist turned a T-Rex into a vampire-o-saurus.
any guy named Remmington
Chad 1: hey look at Remmington, such a bitch
Chad 2: Yeah, he's a Bitch-a-saurus rex
A live-in partner or spouse, usually a wife, who is never happy in the morning. You will know her by the shrieks from frightened small children as they attempt to avoid her unquenchable fiery wrath by throwing the covers over their heads.
Dad: Oh no! Here comes a grump a saurus!
Kids: (Squeals of terror)