Watertight. = Secure no chance of failure.
Don't worry about this deal. It's watertight.
Food for thought. = Information to think about.
What to do on my next day off is food for thought for me.
Wi-Fi squatter. = Someone who sits in a restaurant or coffee shop for a long time to use Wi-Fi for free.
There are so many Wi-Fi squatters in Starbucks using their computer, Starbucks looks like an office instead of a coffee shop.
Status.=What is going on with you? What are you doing? What's happening with you?
What's your status?
It was a very tight race.
Hot shot.=Someone who is very good at something for example a sports, figure or a business executive.
Tanaka is the hot shot pitcher for the Eagles.
On the other hand.=A different opinion.
This year the Tigers were very weak. On the other hand they were interesting.
Bro.=A slang word which means brother or friend.
My bro and I took in a football game together.
To panic.=Sudden fright.
People often panic when they see a snake.
Open-minded.=A person who is able to accept new ideas or other people's opinions.
If you want to get along in this world, you must be open-minded.