Green’s Dictionary of Slang

trickett n.

[the New South Wales champion sculler Edward Trickett (1851–1916), who stated, for advertising purposes, that ‘beer’s best for an A1 nation’]

(Aus., New South Wales) a long drink of beer.

[UK]E.E. Morris Austral Eng. 479/2: Trickett, n. slang name for a long drink of beer in New South Wales, after Trickett, the New South Wales champion sculler.