Expresses the concept of 'as if to say'; 'almost says'; 'suggests'.
Long explanation:
The ~と言わんばかりの Noun grammar point is used to express that someone's action or a situation suggests a certain message, even though it is not explicitly said. It can be translated as 'as if to say', 'almost says', or 'suggests'. It is typically used to understand unspoken messages conveyed through someone's behavior.