weasel

The least weasel, Mustela nivalis.

Any of the carnivorous mammals of the genus Mustela, having a slender body, a long tail and usually a light brown upper coat and light-coloured belly.

The taxonomic family Mustelidae is also called the weasel family.

A devious or sneaky person or animal.

A type of yarn winder used for counting the yardage of handspun yarn. It most commonly has a wooden peg or dowel that pops up from the gearing mechanism after a certain number of yards have been wound onto the winder.

To achieve by clever or devious means.

To gain something for oneself by clever or devious means.

To engage in clever or devious behavior.