It’s not my cup of tea!

What is the meaning of “not my cup of tea”?

What is the definition of “not my cup of tea”?

If something is not your cup of tea, it is not the kind of thing you like.

Example sentences.

A.  Do you want to go and see Metallica with me?
B.  No thanks, rock music is not my cup of tea.

I watched the football match because reality shows are not my cup of tea.

A .John really likes you.
B. I know but he’s just not my cup of tea.