The typical traits of such a character include being overly proud of her money and social status. She'd have a stuck-up attitude, speak in a condescending tone, and be constantly surrounded by servants or sycophants. Her appearance would likely feature elaborate hairstyles and elaborate gowns to emphasize her wealth and position.
She might be dressed in fancy clothes, always looking down on others, and showing off her wealth.
There are several old cartoons that might fit this description. One could be 'The Aristocats' where there are some snooty characters. But it depends on your specific idea of 'rich', 'fat' and 'snobby'.
A cartoon snobby rich girl is often shown as being very self-centered, always thinking she's better than others, and having a lot of fancy stuff.
An old cartoon rich lady is often depicted as elegant, wearing fancy clothes and having a haughty attitude.
A snobby rich woman in cartoons is often depicted as very self-centered, showing off her wealth and looking down on others.
A snobby rich girl in cartoons often shows off her wealth, looks down on others, and is very demanding.
Possibly, the rich fat snobby lady is walking the dog in a fancy neighborhood, with people whispering about her behind her back. The dog might be pulling on the leash, causing her to struggle and lose her composure a bit.
Cartoon snobby eyes typically involve a cold, judgmental gaze. They might have a glint that suggests looking down on others. The shape and expression of the eyes convey a sense of entitlement and pride.
A rich old lady in cartoons is usually shown to be very demanding and having high standards. She might have a collection of expensive items and be surrounded by luxury all the time.
The characteristics of a cartoon old lady can vary. Sometimes she has a cane for support, a big smile showing her friendliness, or a frown indicating her stern nature. Her clothing style could suggest her background or interests. It all depends on the creator's imagination and the story's needs.
Often, a cartoon old lady is depicted as wise and experienced. She may have a slower pace of movement and a gentle voice. Her appearance might include glasses and a warm smile.