English idioms in use

There are some english idioms I've learned lately:

EASY COME EASY GO:
I've lost the money you gave me last week - well, easy come easy go.
RING THE BELL:
I don't know when I might have met him, but the name rings the bell.
TO GET SB WRONG:
Don't get me wrong. I didn't want to say he was a fool.
TO GIVE SB FIVE:
That was great! Give me five!
TO GET STH STRAIGHT:
Let's get this straight. You're sure you didn't leave your wallet at home, right?