When pigs fly
sth will never happen
The lights are on, but nobody`s home
sb isn`t very smart
Kick the bucket
die
As cool as a cucumber
sb is very calm
Blue in the face
sb is tired
Storm in a tea cup
unnecessary anger
Hold your horses
stop and consider carefully your decision/opinion
A piece of cake
sth is very easy
Everything but the kitchen sink
everything you can think of
Bucket list
things you you want to see/do before you die
When it rains, it pours
problems tend to come in groups
A far cry from
very diffrent from
On the down low
keep sth secret
Chin music
meaningless talk
Airy fairy
nonsensical, impractical
