Noun. Colloquial. A nugget of talk therefore stinky that whenever it's dropped (usually by a bantex or chob) any bonhomie inside surrounding area is instantly impressed. If the banter bomb is very volatile just a banter device will be able to prevent any joie de vivre becoming sucked ruthlessly from those unfortunate enough to maintain the vicinity.Origin: Men happening trips collectively and getting morally reprehensible Noun. a bit of high-quality weapons-grade volatile bant that certain falls on or flowers in a conversation.