[adolgert]

"Eating quiche" used to be slang for a sexual act. It's when the joke is most funny that we need to recognize mechanisms of exclusion.

[etjossem]

The reference is pretty clearly to "Real Men Don't Eat Quiche" (1982), which was itself a satire of exclusionary masculinity.

https://en.wikipedia.org/wiki/Real_Men_Don%27t_Eat_Quiche