What is -osaurus?
1.
A suffix that can be added to an adjective to make a word that refers to a person that is being that adjective.
Some good -osauruses
Oblivosaurus (Someone that is oblivious)
Grumposaurus (Someone that is grumpy)
Exaustosaurus (Someone that is exausted)
Smarmosaurus (Someone that is smarmy)
Bipolosaurus (Someone that is bipolar)
etc...
See