What does " my ass" mean in this context ?
Hi

How are you ?

I would like to know the meaning of " My ass" in this context ( I'm sorry if that's a vulgar of embarrassing in anyway )

The context is provided in this video from YouTube :

https://www.youtube.com/watch?v=sNcBUOlGBcg

look for " not well my ass "

Question

What does " my ass" mean in this context ?
Hi

How are you ?

I would like to know the meaning of " My ass" in this context ( I'm sorry if that's a vulgar of embarrassing in anyway )

The context is provided in this video from YouTube :

https://www.youtube.com/watch?v=sNcBUOlGBcg

look for " not well my ass "

Answer

But then he said I don't care if he's sick or well ….

Answer

In this context it's an expression of disbelief so the person saying that means that they don't believe the other person is not well and suggests they have an ulterior motive for saying they are.
I haven't watched the video but that would always be the meaning of this sentence fragment

Answer

It means bullshit, or he's lying, or I don't believe him.

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