Weasels have several collective nouns, including a gang, a sneak, and a pack. Other collective nouns for Weasels include a boogle and a confusion. The collective nouns gang, sneak, and pack are derived from the Weasel’s behavior of hunting in groups. Weasels are known to hunt in packs, sneaking up on their prey and then attacking in a coordinated fashion. This behavior has led to the collective nouns gang, sneak, and pack being used to describe a group of Weasels.