Scavelous

To be "Scavelous" is to be formally cheeky, sneaky; to describe a pirate.

"Hey Ted! I heard Jen's been stealing food out the office fridge, she's so scavelous."

"Igor is a scavelous pirate with a patch and a parrot."

Orace

Adjective used to describe someone as literate in the form of speech.

A: We should vamoose, as we may be caught.
B: How very orace of you.