On this page about Weasel war dance:
The weasel war dance is a colloquial term for a behavior of excited ferrets. The war dance usually follows play or the successful capture of a toy or a stolen object. It consists of a frenzied series of sideways and backwards hops, often accompanied by an arched back, dooking or hissing noises, and a frizzy tail. Although the weasel war dance may make a ferret appear frightened or angry, they are often just excited and are usually harmless to humans.
ferrets. When ferrets are especially excited, they will perform the weasel war dance, a frenzied...