It's not an idiom - it means a cup with some tea in it. NOT your cup of tea, however, is an idiom - it means that something is not to your liking or preference.
his cup of tea
There is no such English phrase as "tea of a cup." You either have a cup of tea, or you have tea in a cup.
It would mean that you put a feather into a cup. Perhaps you mean "a feather in your cap," which was a way of showing an achievement and has come to mean any achievement.
It is not an idiom, it means your nose is itching.
idiom means expression like a page in a book
This isn't slang or an idiom -- it just means to drink a cup of tea, nothing deep or thoughtful about it really.
his cup of tea
This isn't a question -- nor are idioms questions, so you can't "answer" an idiom. Perhaps you mean "Soccer games aren't my cup of tea" instead -- here's a link to show you what that idiom means.
Pouring too much tea into a cup.
He has a cup of tea.
There is no such English phrase as "tea of a cup." You either have a cup of tea, or you have tea in a cup.
It would mean that you put a feather into a cup. Perhaps you mean "a feather in your cap," which was a way of showing an achievement and has come to mean any achievement.
The phrase has been in use in Britain since the late 1800's - just to describe something the British liked, generally as tea was such a popular beverage
tea cup
No a cup of tea is a cup of tea u morons
'Cup' is a noun in the phrase "cup of tea." It is the object of the preposition 'of' and refers to the container holding the tea.
Typically, one tea bag is used per cup to make the perfect cup of tea.