In German, "Wuschel" can be used as a noun meaning "a tangled mess" or "a disheveled person". It is also used as a colloquial term to describe someone who is weak or cowardly.
In Yiddish, "vus" is used as an exclamation to express surprise, dismay, or indignation. It can also be added to the beginning of a word or phrase to make it sound more vulgar.