- Ear Worm: The series' theme song, Wanderin', which debuted at the end of Episode 1.
- Harsher in Hindsight: The implication that Trader Vic was going to have sex with Red's corpse became this after Vic Mignogna became embroiled in a sexual harassment scandal in 2019 that cost him his job with Rooster Teeth and may cost him his job at Funimation.
- Hollywood Pudgy: Zigzagged by Twig. In our world he would be considered only mildly overweight. In his vault, where the average is morbidly obese he's skinny, thus the nickname. In the Wasteland he's considered fat, which he takes as a compliment.
YMMV / Fallout: Nuka Break