Fanfic Fuel: Everything about Bill is this, especially coming out of the 2010s. His one and only year with the Tankmen, how he met his wife, and even the exploits of his soon-to-be-born child all get their own fan works and headcanons. And thanks to Tankmen 0.5, people also like speculating about how he got his face bandages.
UghExplanation Typical expression of disgust, but became heavily associated with the series and with Captain due to tons of fan flashes featuring the phrase. JohnnyUtah's original flashes only ever had two instances of the phrase. In Friday Night Funkin', Captain's first song is titled "Ugh," and he says it several times throughout it.
Cock jokeExplanation The joke originated from Stamper's Tankmen parody "Tankmen 5.5", where the characters would spout the now famous line. Since then, the term Cock Joke and the parody have become synonymous with Tankmen, and to a lesser extent Friday Night Funkin'.