Deliberately, almost aggressively blank — used to convey 'I have no reaction to give you,' skepticism, or dry deadpan humor. It's a favorite for responding to something awkward or absurd without committing to visible emotion, functionally the emoji equivalent of a shrug.
Keywords: awkward, blank, deadpan, expressionless, face, fine, jealous, meh, neutral, oh, shade, straight, unamused, unhappy, unimpressed, whatever