informal Cause serious, perhaps violent, trouble.
More example sentences
- No formal action has yet been taken, but if the case goes to court, friends predict, the fur will fly.
- An arched tail with the fur fluffed means ‘this is my territory - hang around and the fur will fly!’
- She expects that the fur will fly (but only figuratively, for sure) at Princeton, and right away she offers her view on one subject on the agenda.