A fork of Rural Dictionary
1. When your sock slides down your foot while you're wearing a shoe, gathering in the shoe, and becoming uncomfortable.
2. When a shoe is slightly too large for you, causing slight sliding of your foot in the shoe, especially at your heel
Mark: Right, let's go for a walk.
Sarah: Wait, I have to pull up my socks, they're sligging.
Mary: They're lovely shoes Claire!
Claire: Yeah, they are but I think they're too big, my foot is sligging in them.