411 REFERENCE · Wiktionary
Haymarket Hector
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Noun
en UK slang obsolete A thug, bully or pimp inhabiting the London neighbourhood of Leicester Square and the Haymarket.
en 1899 Horace Smith Walter Colyton: A Tale of 1688 121 You cannot have forgotten that when the late King took offence at an expression of Sir John Coventry's, he employed O'Brian, Sir Thomas Sands, and some other Haymarket Hectors, to cut off Sir John's nose as he returned home at night.
References
en 1873 John Camden Hotten The Slang Dictionary