a nest of vipers

The phrase "a nest of vipers" is a metaphorical expression used to describe a group or situation characterized by hidden dangers, deceit, and malicious intent. It implies that the individuals or entities in question are treacherous, cunning, and likely to harm or betray others. Just like vipers, venomous snakes known for their stealth and venomous bite, the metaphor implies that the group or situation is potentially harmful and should be approached with caution.