[Image description: text which says "You're a 10 but it's on the pH scale". Underneath is a picture of a woman whose face suggests she is dropping hard truths. OP has since learned that this is a character from a show saying "You're basic" and that the post is accidentally self-referential]
Fwiw I laughed at the pH joke without any concept of who that person is, so I agree with you
That's Sarah Marshall.
I once heard about a movie wherein people forgot about her...
exactly my point!