It's raining cats and dogs.
It is raining heavily.
as useful as a chocolate teapot
not useful at all
birthday suit
naked
wouldn't be caught dead
said about somethijng you really wouldn't want to do.
come clean
admit something
the lion's share
he biggest piece or portion of something
eye candy
to be good looking
ants in your pants
to be fidgety
brush with death
have an experience where one nearly dies
zip your lip
Stop talking
let the cat out of the bag
to reveal a secret
to eat humble pie
to admit you are wrong
tighten your belt
use less money
done to death
something that has been done so many times it is boring
blessing in disguise
when something misfortunate has positive consequences
the elephant in the room
an obvious thing that noone is talking about
food for thought
something worth thinking over
wear your heart on your sleeve
to show your emotions easily
cut someone dead
to ignore someone because they have angered you
shift gears
to change what you are doing suddenly
hold your horses
ask someone to wait or slow down
butter up
to flatter excessively
on a shoe string
to do something with little money
it's your funeral
said when someone needs to face the consequences of their actions
forty winks
a nap/short sleep