RhymeZone: mitey definitions

Definitions of mitey:

adjective: Of or pertaining to mites.
adjective: Infested with mites.
adverb: Eye dialect spelling of mighty. [(colloquial, dialect) Very; to a high degree.]
noun: Pronunciation spelling of matey. [(nautical, slang) A fellow sailor; often used affectedly, especially when portraying a pirate.]

(Definitions from Wiktionary)