1. past of SHAKE.
--predic.adj. colloq.
1. (foll. by up) emotionally or physically disturbed; upset.
2 (foll. by on) Austral. & NZ keen on; enthusiastic about (not too shook on the English climate).2. n. US a set of staves and headings for a cask, ready for fitting together.
Etymology: 18th c.: orig. unkn.