What does this sentence mean? Thanks.
Getting greazy is a ball!

Here is the passage.
I'll run an auto body shop and fix old cars that have stopped. I'll be sure to fix them all. Getting greazy is a ball!

Does it mean that getting greasy is fun?
Or a ball means a part something from car like bearing stuff ? the ball is greazy, so the car can have a good function.

Question

What does this sentence mean? Thanks.
Getting greazy is a ball!

Here is the passage.
I'll run an auto body shop and fix old cars that have stopped. I'll be sure to fix them all. Getting greazy is a ball!

Does it mean that getting greasy is fun? 
Or a ball means a part something from car like bearing stuff ? the ball is greazy, so the car can have a good function.

Answer

To 'have a ball' is a phrase meaning 'to have a good time'. In your example 'is a ball' means the same thing - 'is a good time.'/'is fun.'

A 'ball' is a formal social event with dancing. You might have heard of 'ballroom dancing'?

Answer

My interpretation:
I really enjoy fixing old cars. Getting greasy while fixing them is fun.
Getting greasy without fixing the cars is not so much fun.

Answer

Hi,

Yes, getting greasy is fun.

Cheers

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