The act of speaking about non-sense in a random manner. Typically "shit talk" among a group of men consists of toipcs such as sex, politics, hobbies, humor or random daily events. Typically laced with a high amount of profanity and crudeness shit talk is usually not acceptable in a professional setting or in the proximity of adolescents. Shit talk has no boundries or limits and its main focus is entertainment and a laugh.
No more shit talk boys, this is a professional meeting!