Some one who Douches about, or uses the word Stellar.
Waiter-"Can I get you guys your checks"
Tha-"Sure man"
Waiter-"Stellar"
Stevi-"Did that guy seriously just say Stellar? What a Doucher."
Tha-"Whats a Doucher?"
Stevi-"Ummm, someone who douches about, obv."