Swearing is a frequent language form in a number of contexts, including the work setting. This investigation extends research on expectancy violations theory as an explanation for how people perceive swearing by examining violation valence. Study 1 concludes that violation valence is positively related to perceptions of message appropriateness and effectiveness and to perceptions of the speaker. Study 2 replicates these findings using a national sample. These results provide support for the role of expectancy violations in swearing and show that swearing is not always perceived as negative in work settings.