tightwad

(noun) a person who is unwilling to give or spend money, who is not generous

Example Sentences:

A: Do you like your new roommate?
B: No, not really.
A: Why is that?
B: He is a real tightwad. He doesn’t share anything!

The tightwad businessman refused to give the homeless person five dollars.

Boyfriend: Do you want to go out for dinner?
Girlfriend: No, let’s just stay home and eat sandwiches.
Boyfriend: Don’t be such a tightwad, let’s go spend some money!

From the Blogs:

Easter ideas from the tightwad gazette