For Reuters' headline writer, a democratic vote is a ruction.

[kpete]

Funds eye 'jam tomorrow' in face of Greek ructions
* Sentiment steady despite Greeks voting no to bailout

* Stocks down 1 pct; peripheral spreads 10 bps wider

* Fund houses advise clients take longer-term view

http://www.reuters.com/article/2015/07/06/funds-greece-volatility-idUSL8N0ZM1JS20150706

ruc·tion (rŭk?shən)
n.
A riotous disturbance; a noisy quarrel.
[Possibly alteration of insurrection.]

ruction (ˈrʌkʃən)
n
1. an uproar; noisy or quarrelsome disturbance
2. (plural) a violent and unpleasant row; trouble: there'll be ructions when she finds out.
[C19: perhaps changed from insurrection]

http://www.thefreedictionary.com/ruction

[HassleCat]

1. Rock that Thesaurus!

I guess that's where we get "ruckus."

[Adrahil]

2. Awesome word. I intend to use it. nt

[DetlefK]

3. That was no democratic vote.

It was a poll to find out national sentiment. The outcome does not lead to political consequences. Any decisions will still be made by the greek government and it is not bound in the least to obey the outcome of the poll.