LUL Joke

Jokes that consist of a person opening with:
p1: "What type of jokes are allowed at a _____"
p2: "all"
p1: "something related to the first blank jokes"
p1: "LUL"

a LUL joke By Francisco Benez
"What type of jokes are allowed on the toilet"
"all"
"Poop jokes"
"LUL"