Green’s Dictionary of Slang

1. a highly derog. description of another person.

1973		Sun. Times Mag. 30 Sept. 38: Course them bloodklatt do.
1980		M. Thelwell Harder They Come 130: Me must find him. Cut up him blood clat.
1983		T. White Catch a Fire 26: ‘Bloodclot’ (heathen, the term of opprobrium derived from both menstruation, and the cloth with which slaves cleansed themselves after vicious beatings).
1986		R. Hewitt White Talk Black Talk 145: Move ya bloodclaht!
1993		Snoop Doggy Dogg ‘What’s My Name?’ 🎵 Robbin motherfuckers then I kill dem blood claats.
1995		S. Moore In The Cut 122: bloodclot, worst possible insult in Jamaican slang.
2010		M. Sterling Babylon East 159: Dem man ya bloodclaat [a Jamaican expletive] dirty!
2017		hubpages.com ‘Roadman Slang 4 Jun. 🌐 Bombaclart/bloodclart- a very rude Jamaican insul.

2. as used in phrs. like what the bloodclaat...?

1982		S. Davis Reggae International n.p.: An Duke Reid a mash it up with him an me say, A wha de blood claat me a gwaan wid?
1994		M. Montague Dread Culture 138: Who di bloodclaat is Anthony, eh?
2000		Ebonics Primer at www.dolemite.com 🌐 blood clot Definition: Caribbean (Jamaican) Swear reference to menstrual cloth of women. Example: What the blood clot u do that for?
2004		A. Oliver-Ruis Island Heat 90: ‘What the blood claat is this Boogie?’ Becky shouted.
2011		E.K. Danso Cockney Zulu 124: He turned around and said very calmly, ‘My yout, wat da bloodclaat o no want? Ya idiaat?’ I didn’t say anything.
2020		G. Krauze What They Was 29: I’ll still box a man down to bloodclart.