fascio, n. — Green’s Dictionary of Slang

fascio n.

also fassy, fassyhole

[? abbr. of ‘fuck ass’ or link to Jamaican fas, fassy, dirty]

(UK black/teen) spec. a derog. term for a homosexual, thus used as a general insult irrespective of sexuality.

1997		Frankie Sly ‘Fassy’ 🎵 Dem a big fassyhole / Fire dem soul.
2002		Blak Twang ‘Sum Ah Dem’ 🎵 Sum a dem fascio.
2004		Skinnyman ‘It’s Over’ 🎵 So many little fascios want to step to me.
2013		Jamaica Patwah 16 Sept. 🌐 ‘Di fassy just ran into mi kar’.
2014		Jamaica Patwah 18 Mar. 🌐 ‘Mi ketch di fassyhole wid mi gyal laas nite, me a go blood him up’.