A 30-year-old man contracted gonorrhea after engaging in unprotected oral sex with a one-night stand met online. Despite using a condom for intercourse, the man developed symptoms including burning during urination and discharge. He was surprised to receive a gonorrhea diagnosis following a medical evaluation. This case highlights the risk of sexually transmitted infections even with condom use, as oral sex can transmit pathogens. The incident underscores the importance of comprehensive STI testing after new sexual encounters. Public health officials advise open communication with partners about sexual health and consistent condom use to minimize risk. This situation serves as a warning about the potential dangers of casual sex with unfamiliar partners.