A phrase meaning "you can't deny it"
Usually used when there really isn't any evidence. Everything said was a matter of
opinion, but it is somewhat a challenge for you to argue with what was said, perhaps so the person can counter it with evidence
Aka no matter what you do, if your opinion is different, the person who says this
will make you look
stupid.
Usually used by politically opinionated "hipsters" when their argument is actually pretty legitimate; but also used by others usually mockingly