squirrel nonce Share definition Flag Someone who is such a nonce that they are no longer satisfied by children and turn to the next annoying, chubby cheeked thing. The squirrel. John: Look at how that squirrel’s tail moves! Barry: Oh John you’re a right squirrel nonce you squirrel nonce by Reesebby October 1, 2018 Get the squirrel nonce mug.