Speaking of gay and fake, it can be traced back to the natural human reaction when a person realizes they have wasted time and considerations due to purposely faked or altered video
The Comment: Fake And Gay.
Some variations include “Gake And Fay” , “Real and Hetrosexual”.
Perhaps related to “Seems legit”.
Many of the more uncouth internet populace, known as "Trolls", often make it clear "Fake And Gay is actually an acrostic poem to the creator of the video calling them a F.A.G, forever compounding into inception.