Green’s Dictionary of Slang

(UK Und.) the penal colony at Botany Bay, Australia.

1815		‘Humours of Bartleme Fair O!’ in Vocal Mag. 1 May 153: Here, valk up, ladies and gentlemen— here’s the vonder-ful kangaroo just arrived from Bottomhouse Bay.
1826		‘Villy Vite & Vidow Vatts’ in Universal Songster II 361/2: So he was sent to Bottomhouse-Bay, / Transported, Villy Vite, O!
1835		‘Sally Bray’ in The Cove in Spedding & Watt (eds) Bawdy Songbooks (2011) IV 223: I’m floor’d, all by the pigman cove, / [...] / I’ve got my ticket, brown I’m done, / For fourteen penn’orth cast. / [...] / At distant Bottomhouse bay.