jack vegan
A jack vegan is a vegan who acts like they're pure, but they sneak cheese like it's a crime. They're basically a vegan who can't help it.
I said I was vegan. Then I had a piece of cheese. My brother called me a jack vegan and said I was a fraud.
At the restaurant, I had cheese. My friend called me a jack vegan and said I was a disgrace.
I told my vegan friend I was eating cheese. He called me a jack vegan and said I was a total failure.