I'm from Leeds in the North of England .My Dad was Lancashire ,and my Mum Norfolk AH is Irish from Belfast.I will try and give a few for all these.
Lancashire
Taepot a stupid person
about as much use as a chocolate fireguard-pretty useless
well I'll go to our 'ouse -expression of surprise
whistlers-a potatoe and onion pasty because if you asked where the meat was you'd have to "whistle for it" in other words do without
away with the mixer-not quite right in the head
Norfolk
cushies-boiled sweets
are you ill a bed an wass up-are you very poorly literally ill when you're in bed and worse when you're up
Yorkshire
put wood in't hole -shut the door
growler -a pork pie
go twos up -share particularly a cigarette
she thinks she's all that and a bag of chips-thinks she's better than she is
have a bit too much off- be cheeky
Irish
craic-good time
press-cupboard
poke-an ice cream cornet
bold-cheeky