Green’s Dictionary of Slang

to hit on the nose.

1785, 1788, 1796		Grose Classical Dict. of the Vulgar Tongue n.p.: Snitchel his gigg, fillip his nose.
1811		Lex. Balatronicum.
1812–82		B.M. Carew Life and Adventures.
1949		Monteleone Criminal Sl. (rev. edn) 216: snitchel To strike.