fire in the hole exclamation3 •A warning of an imminent explosion in a confined space, especially a grenade or blasting charge. •(humorous) A warning of any imminent explosive detonation.[…] fire-in-the-hole farts and the unwholesome sounds of a Niagara Falls of diarrhea filling the sink rim to the brim. — 2023 •(slang) A generalized warning that something is about to happen.
