Nonce is a British slang term that is derogatory and refers to a person who has committed crimes of a sexual nature, particularly pedophilia. The term is not commonly used outside of the UK. However, the term "nonce" has other meanings as well. It can refer to a word or phrase that is coined and used only for a particular occasion. It can also refer to the present use, occasion, or time. In some contexts, it can be used as a general-purpose insult for creepy-seeming men. The origins of the term are uncertain, but it is believed to have originated from British criminal slang.