The action of collecting a small sum of money from many people to the benefit of the common good. For example, "We ran out of beers so we passed the hat then ran to the liquor store." Also in charitable terms, "Johnny was late a few dollars on his mortgage payment, so we passed the hat round the office to help him make up the difference." Also for group gifting, "We wanted to buy a crib for the baby shower so we passed the hat at the office."
Talking through your hat means that you saying something that doesn't necessarily make any sense.
The correct idiom is a bee in your bonnet. The image is of a bee flying around inside your hat, worrying you.
"Passed away" is an idiom that means someone has died or passed on. It is a gentle and euphemistic way to refer to the death of a person.
It means to do something surprising. The phrase is associated with 19th Century magicians who performed this trick.
Keep it under your hat. Play your cards close to your chest. Don't let the cat out of the bag.
The image is of a hat with a lot of names written on slips of paper, and someone randomly picks one. It means that someone randomly picked your name from the available pool of people.
It was a phrase. "Hold on to your hat, there is going to be a bumpy road ahead"!
Condescending or supercilious toward
You had to take your hat off to him based on his success.
Nothing. I'm afraid you've got the idiom incorrectly. Perhaps you actually heard "a bee in her bonnet," which means that someone has an idea that won't go away, as if there were a bee in their hat that they could not ignore.
It's not an idiom. It means exactly what it looks like.
The idiom "at the drop of a hat" means to do something immediately or without hesitation, often at a moment's notice or without needing much prompting. It implies a willingness to act quickly or without delay.