(1) slang: to disrespect someone (to diss)with a spiritual twist; to make fun of someone using religion or religious person(s)
(2) Creating of the ashes from palm frawns
(3) Smoking of marijuana or tobacco at specific time and place and savoring the experience.
If your friend says she hasn't been to church in a long time and is thinking about going back. You would say, "Did Jesus just think about dying for your sins?"
Dude that guy just took a smoke break and the way he savored that deathstick, it was a religious burn.