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. An example would be it flew over everyone's heads, or it flew over everyone's head. Joe got everyone's attention and started to speak.
May i have everyone's attention,. Should it be everyone's, everyones' or everyones? There is a comprehensive article on the topic on grammar girl:
The possessive form is everyone's (the form everyones' is incorrect).example: I have the following sentence: The indefinite pronoun 'everyone' is a singular pronoun that takes a singular verb.examples: Would the noun following everyone's be plural?
Everyone who is coming will receive a gift. What would be correct in this case and why? In my experience, the spelling checkers get confused by contractions. Are the words everyone and everybody singular or plural?
The indefinite pronoun 'everyone' is a singular pronoun. There are actually two issues concerning this topic: The possessive of everyone is everyone's, in the same way the possessive of everybody is everybody's. Your deduction, that not everybody's cup of tea means not to everyone's liking, is absolutely correct.