Bloomerdust
A substance or influence, with an apparently magical effect. Brought to America from Ireland centuries ago, it renders Irishmen in general and Hagan's in particular to fits of childish behavior. Such as waking up naked in cornfields in the wee hours of the morning, howling at the moon, leaving their wives and family's for butt ugly women with peanut butter legs and other acts of deprivation. Folk's believe they have been "Sprinkled by the fairy's with Bloomerdust." There is no known cure for it, only time may help.
That poor man has been hit with the Bloomerdust.