There is a comprehensive article on the topic on grammar girl: The expression commonly used in both the affirmative and negative. Your deduction, that not everybody's cup of tea means not to everyone's liking, is absolutely correct.
I have the following sentence: The possessive of everyone is everyone's, in the same way the possessive of everybody is everybody's. Unless of course you’re a buddhist or a cat, in which case everyone has multiple lives and both would be correct, depending on context.
In my experience, the spelling checkers get confused by contractions. The indefinite pronoun 'everyone' is a singular pronoun that takes a singular verb.examples: The possessive form is everyone's (the form everyones' is incorrect).example: Should it be everyone's, everyones' or everyones?
An example would be it flew over everyone's heads, or it flew over everyone's head. Are the words everyone and everybody singular or plural? Everyone who is coming will receive a gift. May i have everyone's attention,.
The indefinite pronoun 'everyone' is a singular pronoun. Joe got everyone's attention and started to speak. In fact, to catch someone's eye is an idiom, not eyes. the question is not about everyone being singular or plural. What would be correct in this case and why?