The binge-drinking wife of a recovering alcoholic eats an ordinarily innocuous common ink cap mushroom at a party and dies from its poison-inducing interaction with alcohol.
A man with a fetish for lactating women mistakenly flashes four female wrestlers, and while he survives the beat-down he gets, he dies from an allergic reaction to breast milk he'd consumed.
A competitor in the World’s Strongest Man competition overexerts himself and blows his bowels straight out of his butt.
A hypochondriac dies on a blind date from a brain-eating amoeba after using tap water in a Neti Pot to clear his sinuses.
An obnoxious Hipster attempts to steal a steampunk-style ring from a yard sale, only to discover (too late) that it's a 19th century ring-gun.