Green’s Dictionary of Slang

1. an ill-dressed, dirty, dishevelled person.

1966		Times (Munster, IN) 13 June 1/6: The ‘skids’ congregate [and] wait for someone to come up with a bottle of wine.
1997–2001		Online Sl. Dict. 🌐 skid n 1. someone who drinks, smokes, looks grungy, etc. (‘He dresses like a skid.’).

2. one who likes to go out at night.

1997–2000

College Sl. Research Project (Cal. State Poly. Uni., Pomona) 🌐 Skid (noun) A person who likes to hang out after dark.