Welsh English is lush, it is. Valleys slang is its own beast, musical, warm, and peppered with Welsh-language borrowings that give it a rhythm you won't find anywhere else, like.
Bang tidy
Means very attractive, proper fit, a ten out of ten. "Bang" adds explosive emphasis to "tidy," which in Welsh English already means good-looking. Got mainstream fame through Keith Lemon on Celebrity Juice, but the Welsh and wider British public had been using it long before telly got hold of it. Can describe a person, an outfit, or even a well-presented plate of food if you are feeling generous.
Now in a minute
A perfectly logical Welsh expression meaning I will do it soon, just not right this second. It sounds contradictory but in Wales it makes complete sense. It means yes I heard you and I am getting to it, give me a moment. The tone carries all the meaning. Gentle now in a minute is patient. Sharp now in a minute means stop nagging me, mun.
Mun
A filler word in South Wales that goes at the end of sentences for emphasis, reassurance, or just because it feels right. Like man but softer, warmer, and more musical. Come on, mun means hurry up. Alright, mun means I agree. It is not aggressive, it is friendly, and it turns any sentence into something that sounds properly Welsh.
Chopsy
Means mouthy, gobby, or talking too much. Someone who is chopsy has opinions on everything, shares them loudly, and does not know when to stop. Used across South Wales with a mix of affection and exasperation. Being a bit chopsy is tolerated. Being properly chopsy after a few pints will eventually get you told to shut it, butt.
Lush
Lush is a go-to compliment meaning gorgeous, lovely, or just top-notch. You can call a person lush, a meal lush, even the weather lush when it finally behaves. It started life as a normal English word meaning rich or luxuriant, but in everyday chat itβs basically a verbal thumbs-up. In Welsh banter it often sits alongside tidy and proper for extra emphasis.