watch the fur fly

From the way fur is torn from fighting animals.

watch the fur fly (third-person singular simple present watches the fur fly, present participle watching the fur fly, simple past and past participle watched the fur fly)

1. To allow or observe a vicious fight or altercation to result from something.

There are many variants of this phrasal verb, including watch some fur fly, see the fur fly, see some fur fly, let the fur fly, etc.

• make the fur fly
• watch the feathers fly