Curse word native to the cursed earth and it's mega cities; the universe of 2000 AD comic book character, Judge Dredd. Simply used for exclamation or emphasis, it does not mean anything derogotary, sexual or linked with feces.
A slang word bandied about in Mega City One that can take the place of most (if not all) expletives in the forms of nouns, verbs, adjectives & adverbs.