A group of foxes.

A group of people seen as being fox-like (e.g. cunning, dishonest, or having nefarious plans).

The act of skulking.

To stay where one cannot be seen, conceal oneself (often in a cowardly way or with the intent of doing harm).

To move in a stealthy or furtive way; to come or go while trying to avoid detection.

To avoid an obligation or responsibility.