Nuts?

He is nuts about her = He is crazy about her = He is jelly bean when she's around.
Remember the word `Nuts` during WW II?
In European theater, Germans suggested outnumbered U.S. troops to surrender.
American general replied with one word, `Nuts`

Are you out of your mind? = Are you crazy? = Are you lost yourself?

What's up? = What's new? = How's things?
What's new with you?, Oh, Nothing much.
What is your back? Oh, I am not much of anything. I am just a little indian.
Jack of all, master of none. (Back = Background)
Little funny bumper stickers,

Don't follow me, I am lost too. I am spending my kids inheritance money.
My other car is Cadillac. God is my co-pilot.
I may be slow but I am ahead of you. Stay back, I may fart.
Honk if you like Blonde. This is Mafia staff car. Let me tell you about my grand-kids.

Here Magpie is a hated pest. Crow is not that much hated. Also there is raven.
Better half = wife. Bud = friend = chum