“Whacked out” means someone has lost it, gone crazy. This condition is evidenced when a person says outlandish things that are absurd or utterly ridiculous.
The “reverend” surely qualifies for this description since he told a viewer that his wifes Alzheimer’s is a type of death that gives grounds for divorce.
Watch both clips and listen to his response about the marriage vow “in sickness and health”.
It’s straight up Whacked!