banjax

Etymology
, perhaps originally Dublin slang. According to Green’s Dictionary of Slang, may be a euphemism for.

Verb

 * 1)  To ruin or destroy.

Translations

 * French: ,
 * German: ,
 * Italian: ,
 * Tok Pisin: bagarapim

Noun

 * 1)  A mess or undesirable situation made as a result of incompetence.