The Westboro Baptist Church (WBC) is a cult sect that interprets biblical scripture literally and believes their God curses and blesses. They believe themselves to have devine communication with God and that they have the ultimate power to discern between who their God curses and who their God blesses.
Westboro crazy is any radical religious person(s) who believes they are in communication, or know the mind of God.
Dude, don't go all westboro crazy on me, the guy is gay, so what?
My parents are westboro crazy, they say I can't have sex until I'm married.
My boss is westboro crazy. He thinks President Obama is the anti-Christ.
Jimmy has gone westboro crazy: he no longer wants to party with us.
My wife is in a westboro crazy phase: she wants us all to go to chuch every Sunday.