Green’s Dictionary of Slang

(UK Und.) one who, by posing as a near-naked beggar suffering from some form of shaking disease, enacts the shivering dodge n.

1852		Kendal Mercury 14 Feb. 3/4: A ‘shiverer’ who has miraculously regained the use of his limbs — not by the appplication of a relic of the true cross but by [...] the policeman’s baton.
1861		(con. 1840s–50s) H. Mayhew London Labour and London Poor I 416/1: This is a single-handed job; for if one man shivers less than another he shows that it isn't so cold as the good shiverer makes it out — then it's no go.
1870		East London Obs. 19 Mar. 6/6: I’ve been a shivery-shaky, the man who couldn’t get warm, as the song says, but I never took much to that, because [...] it must be pretty cold when you go out to shiver.