Sick Em!
It is a military term that means to rush in a group up to the walls of a fortified city and attack it. The idiom meaning is to attack, either physically or mentally, someone's position (either actual or figurative).
This isn't an idiom. It means exactly what it says. If you look up words that you don't understand, you'd see that "storm" means to attack violently. If someone stormed the walls, they attacked the walls. Sometimes people do use this term as a metaphor to mean attack figuratively instead of literally.
Er ... I think you heard them wrong. That's not an idiom, it's a suggestion that you attack a bush.Perhaps you are thinking of "don't beat around the bush," which means to get to the point.
To slug means to hit, so it means hitting you until you can't think straight.
It's not an idiom. It means exactly what it looks like.
The idiom "apple shiner" means the teacher's pet.
Can you literally be inside of a pickle?No, so it's an idiom. It means in trouble.
An idiom that means surrender is to "wave the white flag." A closely related idiom is to "throw in the towel" which means to give up."
It's not an idiom. It means exactly what it says. "By all means" or "by any method necessary."
"To be cheeky" IS an idiom. It means to sass or talk back.
It's not really an idiom. It means "what are you thinking about."
It is not an idiom, it means your nose is itching.