expression, na-adjective, adverb
as if ...; as if to say ...; as though ...
Used in the pattern ...とでもいうよう(な/に) to describe a manner or appearance that seems to say something. Often follows a quoted phrase or onomatopoeia.
彼は「もういい」とでも言うように、手を振った。
He waved his hand as if to say, 'That's enough.'
彼女は驚いたとでも言うような顔をした。
She made a face as if to say she was surprised.