One of many different slang words for “money” is DOUGH. Here is the list of some words and slang expressions about spending money and about people’s attitude to it, supplemented by snippets of possible conversations:
Chintzy or stingy (adj )— unwilling to pay money
Nickel-and-dime (adj) — having or involving small amounts of money
Big spender (noun) — a person who spends a lot of money
Cheapskate /Tightwad (noun) — a person who avoids spending money
Chicken feed (noun) — a small amount of money
Deep pockets — lots of money
Dough (noun) — money
Smacker (noun) — a dollar
Gold digger (noun) — someone who is interested in others mainly for their money
Moneybags (noun) — a rich person
Set sb back (phrasal verb) — cost someone
Blow/Drop (verb) — spend
Lounge lizard — a man without much money who spends time in places where he can meet wealthy people

Here are some snippets of talks to help you understand how the words function in speech:

1) — Don’t be such a cheapskate! Give her a really good tip!
— Five clams isn’t exactly chicken feed.

2) — The chintzy sucker wouldn’t even give me cab fare home.
— What a tightwad! And after he dropped twenty smackers on a shot of tequila!

3) — Tracey is such a gold digger. She always goes for the big spenders. I heard her
boob job (операция по увеличению груди) set her back 5,000 bucks.
— And that’s after she blew a grand on a trip to Vegas.

4) — Why don’t you see if Mr. Moneybags over there will buy you a drink?
— I’m looking for someone with really big pockets, not just a nickel-and-dime lounge lizard.