Not my cup of tea
Not something you like
Kick the bucket
To die
Cream crackered
Very tired
Have your ducks in a row
To have things organised before starting something
Spend a penny
Have a gander
To check something out
Hit the sack
Go to sleep/bed
Hold your horses
Telling someone to slow down/stop
Pull a blinder
achieving something difficult faultlessly and skilfully
Dog's dinner
A wet blanket
Someone who ruins the fun/mood, dampens the enthusiasm
Thick as thieves
People that are very close/share lots of secrets with eachother
Pot calling the kettle black
To criticise someone for the same fault they, themselves have
Bog standard
ordinary, no frills, nothing fancy
Wild goose chase
Pointless pursuit/task
Brass monkeys
Its cold
Over-egg the pudding
Over doing something to the extent that the end product is ruined
Sod's law
If anything can go wrong then it definitely will
Bob’s your uncle
there you have it/ta da
Wet behind the ears
Someone inexperienced/immature
Neck of the woods
A certain area/neighborhood
Who's she, the cat's mother?
A reprimand when someone uses someones pronoun instead of their name
By the skin of your teeth
Narrowly, barely/by a very small margin
Take the biscuit
If someone does something highly irritating or surprising (in a bad way)