Green’s Dictionary of Slang

remember Parson Malham! excl.

also remember Parson Mallum! ...Meldrum!
[? the proper name of a once celebrated toping cleric; presumably, since B.E. adds ‘Norfolk’, from that county]

drink up! finish your glass!

[UK]B.E. Dict. Canting Crew n.p.: Remember Parson Malham (Norfolk) Pray Drink about Sir.
[UK]New Canting Dict. [as cit. c.1698].
[UK]Bailey Universal Etym. Eng. Dict. [as cit. c.1698].
[UK]Grose Classical Dict. of the Vulgar Tongue.
[UK]Lex. Balatronicum.
[UK]Egan Grose’s Classical Dict. of the Vulgar Tongue.