WHORE-MONGER. A man who keeps more than one mistress. A gentleman who kept a female friend, being styled a whore-monger by a parson, asked whether he had a cheese in his house; and being answered in the affirmative, said 'Pray, does that one cheese make you a cheese-monger?'
A selection from Francis Grose’s “Dictionary Of The Vulgar Tongue” (1785)