Green’s Dictionary of Slang

to beat up, to defeat comprehensively.

1887		‘’Arry on Angling’ Punch 30 July 45/2: Arter this things appeared to go quisby; [...] Jack look jest as though he could scrumplicate me.
1888		Hants. Teleg. 20 Oct. 11/3: To the Maori Football Team [...] You’ve flabbergasted Surrey. And scrumplicated Kent!
1891		‘’Arry on Wheels’ Punch 7 May 217/2: There’s a lot of old mivvies been writing long squeals to the Times about hus. / [...] / I’d jest like to scrumplicate some on ’em.