Cheerleaders flip their skirts up to reveal letters on their underwear.

Tongue kissing and "hickeys" are a central theme of the plot.

A guy tells a woman to pop a frog's cherry.

Possessed people are forced to kill themselves in plenty of creative methods such as toaster in the bathtub, shotgun to the head, death by car exhaust, self immolation, intentionally being stung while allergic to bees, etc.

A lot of zemons are hit with bats, crowbars, etc.

A zemon is impaled through the head with a crowbar

it is implied a character uses a grenade to blow himself up to reverse the curse

Shit, pussy, and bastard are used alongside lesser profanity like crap.

Cannabis use.