- aspirin: a pain management medication that William "Buck" Rogers asks for during his interrogation by Princess Ardala and Kane; Kane surmises that "aspirin" is a pain medication, and instructs his practitioners to inject him with an anti-pain medication (BR25: "Awakening")
- crush: to have a romantic interest in another party; Rogers surmises that Ryma has a romantic interest in Regis Saroyan (BR25: "Planet of the Slave Girls")
- Funk & Wagnalls: a dictionary and reference book publisher from the 20th century (BR25: "Planet of the Slave Girls")
- o'clock: slang term for a numeric position on an analog clock; Lt. Wrather is confused by Rogers' term as Rogers attempts (in vain) to communicate an incoming threat (BR25: Film, "Awakening")