Yuush

When you're confident about something to the power infinity you answer with a Yuush.
An essential word for people who keep questioning you ! *eyes rolling*

For example :
Pessimist : Are you sure YOU can do this?
You : Yuush ! Is there even a second thought to it ?!

Yuush

Another way of saying "The Usual"

Pronounced like the first half of Usual with a "Sh" on the end

Waiter: What can I get for you today sir?
Customer: Oh just get me the Yuush.