what a one

1:When someone tells a really awesome joke or says something totally unique.

2: A verbal moment between two friends.

Hahaha that's hilarious!
What a one!

What's behind door number one

1. Death. "Door number one" is the coffin lid, the ground above the grave or the gravestone.

2. Severe consequence.

"You want to jump off, Jamf, or do you want what's behind door number one?"

"Do you think H likes what he found behind door #1?"

5👍 6👎

know what one is about

be aware of the implications of one's actions or of a situation, and of how best to deal with them.

Here's a sentence using "know what one is about":

She was a seasoned negotiator who clearly knew what she was about.