Trustafarians - People who receive money from their family or an allowance; the word is a play on Rastafarian (a believer in a religion which originated in Jamaica).
I’ll buy you dinner, I’m cashed up tonight! – I’ve got plenty of money!
Not having any
I’m skint / broke . I haven’t got a penny . – I haven’t got any money!
I’m a bit short this month. - I don’t have much money till I get paid.
I can’t afford it! – It’s too expensive for me, I don’t have enough money.
I’ve reached my credit limit. – I can’t spend any more money on my credit cards.
He lost his job last year and had to sign on . / go on the dole . - He’s now out of work and receiving financial help from the government. [If you sign on, you go to a government office and sign a form each fortnight to declare you are available for work.]
People who don’t like spending it
He never buys a round ; he’s really tight. / tight fisted. / stingy. – That guy never buys drinks for other people – he’s mean / ungenerous.
He opened his wallet and a moth flew out ! – He rarely spends his money. [Moths tend to live in clothes which don't get used very often - so someone mean never opens his / her wallet!]
That piano’s worth a fortune ! - That piano is worth a lot of money.
It cost an arm and a leg! - It cost a lot of money.
They get paid peanuts ! – They get paid badly.
That restaurant’s a real rip-off ! – That restaurant overcharges; it doesn’t represent value for money.
They don’t have two pennies to rub together . – They are very poor.
The business wentbust. - The business was declared bankrupt.
That last bill completely cleaned me out ! - That bill used up all of my money.
I’m skint. I blewmy salary on a new hi-fi. - I’ve spent all my wages.