Definition of "sket"

Love for the G's in the ends / But we don't love no girls in the ends / Last time I fell in love with a sket / But trust me, I will never do that again

2014, Skepta, Jme (lyrics and music), “That's Not Me” (track 10), in Konnichiwa, performed by Skepta featuring Jme

You shagged bare lads, you're a little sket / Have you heard your bars? They're fucking pept

2016 December 3, Millie B (lyrics and music), “Soph Aspin Send”, performed by Millie B