To speak in an over exaggerated tone in a disgusting manner to convey a point.
Morty: "... If you really want your grandpa back, grab a shovel, because the one that won't let you down is buried in the backyard."
Summer: "Your right!"
Morty: "What! No! I was using ghoulish overkill!"
A male or female that is extremely white skinned or albino; resulting in a terrifying, ghoulish essence. Common knowledge suggests if you're a ghoulish creature, you clearly need a tan.
Ghoulish horror is a Pseudo horror genre (never being really defined) , that consolidates horror movie made before "PSYCHO" futhermore the emergeance of the Slasher.
every classic monster (universal/Hammer monsters), gothic horror ("Todd Browning's Dracula"), the gothabilly/psychobilly Aesthetic ("Mars Attacks","Frankenweenie" or "the blob") are considered as Ghoulish horror.