Definition: Pr0n - Pr0n is a slang term that refers to someone who is extremely rude, disrespectful, or obnoxious. It's used by people who are not well-versed in certain social norms or have a negative opinion towards them. Definition: A phrase with offensive language used with disrespect or disdain; often has negative connotations or is considered inappropriate in a social context. Example: "I'm pr0n and I'm going to give you the boot."