Someone who goes around saying to everyone that they are an atheist when they are really not sticking to their values and making a fool of themselves going to church with their family
Adam: Hey Zack, I'm pretty sure I saw you at church the other day for the Midnight Mass. Whats up with that? I thought you were an atheist!
Zack: Dude, I am an atheist but my mom wouldn't let me stay home!
Adam: Man you are definitely not. You're just a liar and a saytheist.
When a person who was born a Jew decides to move away from their culture due to a desire to pursue other paths in their life. The process is simply the decision to reject the label that they were born with.
David: Dude, I fucking hate being born a Jew.
Rob: Man you should just unjewify yourself.
David: Shit yo, you're right imma do that right now
Rob: Sweet, let me know when you wanna come to church with me