It means that somewhere there is a very sad weasel family :(
Weasel
Weasel.
Means that it is dead.
It can mean that you have a headache or something
its dead
Black-footed weasel.
Screeching Weasel
The life has left their bodies.
In Japanese, the name Itachi means "weasel." It is a traditional name that is often associated with qualities such as agility, stealth, and intelligence—characteristics that are symbolically linked to the animal.
It can, but only as a scavenger. A weasel might have a nibble if it'd find an already dead deer, but it's way too small to be able to kill a deer itself. There is, however, a species of weasel that is capable of killing and eating a deer, and that is the wolverine.
They are rabid if you see them in the daytime and they want you to pet them
See link below.