Wanking inside the house

From Fandom wank wiki

Wanking inside the house is what happens when the original topic of any given wank is discussed seriously in comments in a Fandom Wank or OTF Wank post in spite of the fact that the wank communities are not a forum for serious discussion of any issue. The But what are your thoughts on yaoi? wank is a perfect example of wanking inside the house.

Comes from the movie When A Stranger Calls (1979), where the serial killer was calling from inside the house of his intended victim. Based in turn on an American urban legend.