Sir Walter Scott, n. — Green’s Dictionary of Slang

Sir Walter Scott n.

[rhy. sl.; ult. Scot. novelist Sir Walter Scott (1771–1832)]

a pot, usu. of beer.

1857		‘Ducange Anglicus’ Vulgar Tongue.
1859, 1860		Hotten Dict. of Modern Sl. etc.
1864, 1867, 1870		Hotten Sl. Dict.
1873		Sl. Dict.
1890–1904		Farmer & Henley Sl. and Its Analogues.