According to Rick Jolly
's book Jackspeak
, this is a British Royal Navy slang
term. More likely it is merely a standard phrase
that due to overuse
became on object of parody
The term is the standard phrase used when something gets bent (q.v.), implying a lack of blame on the speaker's part. Compare (from The Jargon File) geekspeak I didn't change anything!
Note: Chief here means Chief Petty Officer.