Not 'skittle' but 'sketel' - West Indian slang for a slut, ho, a girl who has been around the block once or twice.
"Hey you saw the way Shalice dida gwaan? Jus' a cuss out an bawl affa people suh!"
Hey you say the way Shalice was acting? Shouting and cursing at people. "Ya man, a real sketel dat..!"
I understand William named his 'sketel' pattern after a favourite Belize bargirl near where he guided.
I think a 'step by step' was published in FF&Ft about 6 years ago. I can't find it on-line. If I turn it up I'll scan the article. A very effective permit pattern.