Weasel (noun)

1. A small carnivorous mammal of the genus Mustela, having a slender body and short legs.
2. A person who is sneaky, deceitful, or untrustworthy.

Origin:

From the old english word "weosul".

Examples:

1. The weasel is a small animal with a long, slim body and short legs.
2. Weasels are known to be fierce predators that can take down prey much larger than themselves.
3. He is a weasel, always looking for ways to cheat and deceive others.
4. She is a real weasel, always wriggling out of taking responsibility.
5. He weaseled out of the contract by finding a loophole.