1805, Pierre Franc McCallum, Travels in Trinidad During the Months of February, March, and April, 1803: In a Series of Letters, Addressed to a Member of the Imperial Parliament of Great Britain, Liverpool : Printed by and for W. Jones, page 75:
There is, Sir, in this place, as well as every other seaport town in the West Indies, free female blacks and mulattoes, who acquire considerable wealth, merely by ablocating prostitutes. The taverns where you lodge (with few exceptions) ...
1806, Tobias Smollett, The Critical Review: Or, Annals of Literature, page 54:
'Ablocating prostitutes,' we now learn for the first time is the vile practice of hiring out female slaves in order to participate in the profits of their iniquities. Providence, we are informed, visibly interposed at one period to procrastinate our author's life.
2012, James Epstein, Scandal of Colonial Rule: Power and Subversion in the British Atlantic during the Age of Revolution, page 172, quoting Pierre Franc McCallum, Travels in Trinidad, During the Months of February, March, and April 1803: In A Series of Letters:
In Trinidad, as in every seaport town in the West Indies, there were “free female blacks and mulattoes, who acquire considerable wealth, by merely ablocating prostitutes.”
1817, James Leslie (of Edinburgh.), Dictionary of the Synonymous Words and Technical Terms in the English Language, page 87:
HIRE, v. To hire out, to ablocate or oblocate; to hire or bribe, to retain, to hire out for vile purposes, to prostitute.