Common
Grand
It can be used to describe if something is good or OK. Grand is also a way of not elaborating if asked "How are you?"
Stall the ball!
This means to ask someone to wait or "hang on"
The sun is splitting the stones
It is a hot day
Flake
Someone who is late or cancels unexpectedly
Slagging
Teasing or poking fun in a friendly way and is meant to make people closer through humor
Cop yourself on
Behave, get it together
Actin the maggot
Someone who is not doing what they are supposed to be
It's lashing outside
It is raining heavily
Give me a shot
Give me a chance
Deadly
Excellent, brilliant, or fantastic
Scarlet
Embarrassed
Poxy
Someone who is annoying
It's a day for the fire
It is cold and wintery
Savage
Good or great
What's the craic?
Fun, also a way of asking "What's going on?"
That oven is banjaxed.
Beyond repair
Eejit
Calling someone a fool or an idiot
It's spitting
It's slightly raining
Unreal
Something that is really great
Class
top-quality, great
A long time
Mad
Calling someone crazy
It's fierce mild.
It is a nice day.
A good egg
A good person