a.

1. 皮的；似皮的；薄膜状的
2. 皮包骨的，极瘦的
   He is tall and skinny.

   他高高的个子，长得极瘦。

3. （数量等）不足的；低劣的
4. 吝啬的

n.

1. 【俚】内部消息，机密情报；小道消息

adj.

1. (of a person) unattractively thin.
2. (of an article of clothing) tight-fitting.
3. informal (of coffee) made with skimmed or semi-skimmed milk.

n.

1. (pl. skinnies)
   a skinny person.
2. (the skinny) N. Amer. confidential information or gossip.