Skinflint
/ˈskɪnflɪnt/
Definition 1 of 1
Pro Tip 1/3Negative Connotation
Skinflint has a negative tone, implying excessive frugality that may appear selfish or ungenerous. 
He's such a skinflint that he'd walk three miles to avoid paying for a bus ticket.
Pro Tip 2/3Informal Usage
The term is informal and may be considered disrespectful if used in formal situations or with strangers. 
My uncle, the skinflint, never tips more than a dollar at restaurants.
Pro Tip 3/3Cultural Perception
Some cultures may not view frugal behavior as negatively as others, so the impact of 'skinflint' can vary. 
In some communities, being a skinflint is frowned upon, while others might simply see it as being thrifty.