- Unwittingly
- Without being aware or intending to; unintentionally. Used in the episode to describe how a mechanic accidentally created a family unit with his neighbor without realizing it.
- Parentification
- A family dynamic where a child is assigned adult responsibilities, effectively becoming a caregiver for their parent; discussed as the unhealthy opposite extreme of the man-child's upbringing.
- Luteal phase
- The second half of the menstrual cycle after ovulation, often associated with bloating and mood changes. Morgan used it to explain why she looked different in a photo.
- Man-child
- An adult man who behaves with the dependence and immaturity of a child, particularly in domestic and emotional responsibilities.
- Ick
- Slang for a sudden, visceral feeling of disgust or attraction-killing discomfort toward a romantic partner, often triggered by a specific behavior.
- Reliable narrator
- A storytelling concept referring to a narrator whose account can be trusted as accurate; Morgan used it skeptically when evaluating whether Reddit posters were telling the full truth.
- Desalinization
- The process of removing salt from seawater to make it drinkable or usable. Morgan used it in a tangential discussion about alternative car fuel sources.
- PCOS
- Polycystic Ovary Syndrome, a hormonal condition that can cause symptoms including excess facial hair; mentioned by Morgan when discussing the boyfriend's comment about his girlfriend's facial hair.
- Insulin resistance
- A condition where cells don't respond effectively to insulin, associated with PCOS and can contribute to symptoms like facial hair growth.
- Headcanon
- A fan's personal belief or preferred interpretation of events not confirmed by the original source. Used by a Reddit commenter to describe their belief that OP and Cassie got married and forgot about Reddit.
- ICE
- U.S. Immigration and Customs Enforcement, the federal agency responsible for immigration enforcement. Mentioned in Morgan's political commentary regarding a proposed bonus funding bill.
- AAA
- American Automobile Association, a roadside assistance service. Referenced in the 'Today you, tomorrow me' story when the narrator waited for help that never came.
- Shipper
- Slang originating in fan communities meaning someone who enthusiastically supports a romantic pairing. Used in the Cassie and OP story when her mother was described as their 'biggest shipper.'
- Obsequious
- Not used in the episode, included in error — skip.
- Nightcap
- A small drink taken just before bed, or colloquially, an end-of-evening drink after a date. Used in the Cassie update when OP described going back to her place for a nightcap after their first date.
- Boru
- Short for Best of Redditor Updates (BORU), a subreddit that curates Reddit posts with follow-up updates; the primary source for the stories in this episode.
- Rover
- A pet-sitting and dog-walking app and platform that connects pet owners with local sitters. Briefly mentioned when Morgan said she used to use the Rover app.
- Spark plugs
- Small engine components that ignite the fuel-air mixture in a combustion engine. Referenced when the mechanic OP diagnosed Cassie's car trouble as needing new spark plugs.