Green’s Dictionary of Slang

(US) pancakes.

1941

Star (Marion, OH) 19 Sept. 6/5: For years restaurant counter men and waiters have used their own language in relaying orders to busy chefs. [...] Among the favorites and best known are: [...] ‘splatter dabs,’ pancakes.

an uproar.

1881		Western Mail (S. Glamorgan) 9 Apr. 4/9: The great splatter dash of a Dissenting pulpit drummer, Dr Parker.
1890–1904		Farmer & Henley Sl. and Its Analogues.

a genre of ultra-violent films, coined as a name by director George Romero (b.1939), e.g. Blood Feast (1963), The Texas Chainsaw Massacre (1974), The Driller Killer (1979); thus splatterpunk, a similarly violent genre of fiction; splatterporn, violent pornography.

1984		G. Tate ‘Stagolee Versus the Proper Negro’ in Flyboy in the Buttermilk (1992) 50: His black Muslim film critic who enjoyed splatter films because they depicted the wholesale slaughter of white people.
1989		J. McCarty [title] The Official Splatter Movie Guide.
1993		Lerner et al. Dict. of Today’s Words 167: Splatterpunk – a genre of popular fiction in which violence is described in lurid detail.
1993		D. Lopez Films by Genre 132: gore film (Blood-and-Gore thriller, Blood ’n’ Gore Move, Gore-Fest, Meat Movie, Splatter Movie, Ultra-Violent Movie) The most explicit of all the genres that thrive on violence.
2007		C. Goffard Snitch Jacket 17: Balboa Bill was on the hunt for some animated Japanese splatterporn.