People who love fishing know this idiom in it's more literal sense. Dropping a fishing line into the water obviously to catch fish, has been taken in to mean more philosophical terms. An example of this is 'drop a line' meaning to write a 'line' of words for letter writing. Another 'drop a line' could reference a delivery of cocaine line.
"Blow it" IS an idiom. Other idioms with similar meaning include "drop the ball" and "miss the boat."
Something that is an absolute surprise.
John loved to dance and would do so at the drop of a hat.
It is just an idiom and has no history.
The idiom, 'jump out of your skin,' was first seen in England in the 1800s. It refers to a person being so scared that they 'jump out of their skin,' by dying and becoming a ghost.
yes
"Blow it" IS an idiom. Other idioms with similar meaning include "drop the ball" and "miss the boat."
Something that is an absolute surprise.
"The bottom line" is an idiom that means the final result and comes from the line in a financial statement that shows net income or loss.
John loved to dance and would do so at the drop of a hat.
To drop something anywhere , OR a very filthy accomodation
It is just an idiom and has no history.
The opening line of the book, "Old Marley was dead as a doornail." Dead as a doornail is an idiom.
I haven't talked to her in a while, I should drop her a line to see how she's doing.
Nothing. I believe you're thinking of "a drop in the bucket," which is an idiom meaning something is only a tiny amount of what is actually needed.
draw a line-i draw the line when it comes to lending money to friends
When you draw the line, you set out limits of what you find acceptable, beyond which you will not go.