gussaw
used as a euphemism for a deity, overlord or otherwise unwieldy beast, this word is a natural reaction of annoyance, frustration or mild-to-ferocious despair with someone who should and can wait until later to say something irrelevant
The rocks fell, blocking their way and injuring one of their party. “Bree goes well with quince don’t you think?” “Gussaw!” They retorted loudly