Orgy at the Great Gatsby !

A teacher, during a casual conversation with one of her students, was amazed to hear that, there was an orgy scene in The Great Gatsby. But, she did not have no recollection of it. 

This is how the conversation ended.... 

Student 1 : Seriously, you don't remember that party scene when they were all together and sweaty and stuff ?

Teacher : But how could they have been having an orgy when they were all clothed?

Another Student across the table hears the conversation and decides to add his 2 cents to the topic.

Student 2 : You can have an orgy clothed...it's called a clergy.