In game of famous tv season Game of Thrones, Jon Snow was betrayed by his nights watch, Guards on wall when they didn't agree on a decision about letting in The Wildlings and eventually stabbed him to death calling him traitor.
This is what is used to ward off phony campus preachers by shouting out the following "YOU AINT GOT NO PANCAKE MIX!" this is said repetitively until they walk away its proves to be very effective
Phony preacher: Join our religion thats not exactly Christianity or you will go to hell!