An animal with greyish-brown fur, a black and white head and a pointed face, that lives underground and comes out to feed at night. (Cambridge Dictionary)
To persuade someone by telling them repeatedly to do something, or to question someone repeatedly. (Cambridge Dictionary)
A badger is a wild animal which has a white head with two wide black stripes on it. Badgers live underground and usually come up to feed at night. (Collins Dictionary)
If you badger someone, you repeatedly tell them to do something or repeatedly ask them questions. (Collins Dictionary)
Any of various burrowing mammals (especially Taxidea taxus and Meles meles) of the weasel family that are widely distributed in the northern hemisphere. (Merriam – Webster)
A heavily built omnivorous nocturnal mammal of the weasel family, typically having a grey and black coat. (Oxford Dictionaries)
Badger – Wikipedia.