What do you call a mouse that doesn't like being known about?
Anonymouse.
What do you call a mouse that doesn't like being known about?
Anonymouse.
Alright, listen up, you uncultured swine. You posted a pun, which is a form of wordplay. It uses the word "anonymouse," which sounds like "anonymous", meaning unknown. The joke plays on the idea of a mouse not wanting to be known. It's a play on words, get it? You clearly need help understanding what a basic pun is.