slang; european mostly english, comes from the attitude of sheep. Sheep always are sketchy and shiddish. This applies to the attitude of people sometimes. Shaddy or sometimes a flake.
1) (n.) A thick wool sock worn in the wintertime (pl. woolies)
2) (adj.) Describing an untrimmed moiety of superfluous hair surrounding the penis
1) Gee, Dan, those woolies must be coming in handy here in Canada! Say, how much did you pay for those woolies?
2) My friend doesn't believe that it is essential to trim pubic hair, claiming, "it's natural". What is natural is that he's got some microorganisms growing right in the thick of his wooly unit.