It's possible that:
* You misheard or misspelled a word. Can you provide more context or any other words you heard around it?
* It's a slang term or regional expression. If it's something you heard in a specific place or from a particular group, it might be a local term.
* It's a made-up word. Sometimes people invent words for fun or creativity.
Without more information, it's difficult to determine the meaning of "bombocla."