you’re welcome is a longer and more
formal use of the term “fuck off”.
not many people use the term “you’re welcome” anymore which is why most people
nowadays may not know what it means, which could be the reason why you are here; many people also may want to know the real meaning of the term “fuck off” as it what most people use these days to reply to someone after saying thank you, that could also be why you’re here.
it can be used in so many ways, for example