Young man or boy
Lad
Crazy
Bonkers
High quality, excellent
Top-Notch
Something that was very easy
A piece of cake
To reveal a secret
Spill the beans
Friend or Companion
Mate
Utterly shocked or surprised
Gobsmacked
Mischievous, Playful
Cheeky
Under the Weather
A way of wishing someone good luck. Especially before a performance
Break a Leg
Bloke
Pleased or Delighted
Chuffed
Wonderful, terrific
Smashing
When it is raining heavily
raining cats and dogs
To be exactly right about something
Hit the nail on the head
An old person
Geezer
Extremely tired or exhausted
Knackered
Questionable, unreliable or suspicious
Dodgy
And there you have it. It is settled.
Bob's your uncle
To be upset about something that has already happened and can't be changed
Cry over spilled milk
A clumsy or foolish person
Muppet
To be very mad with anger
Fuming
Delicious or attractive
Lush
To avoid talking about something important
Beat around the bush
Don't rely on something good happening before it actually does.
Don't count your chickens before they hatch