Though instant traffic is not really exist, but yes you can get traffic consistently, if your 1st effort make it worth. There are some off-page SEO activities that can help you to get, more traffic.

The activities include:
1. Blogpost.
2. Video Post
3. PPT submission
4. Infographics
5. PDF Submission.
6. Social Media Sharing and Bookmarking.

These are some of the activities, if you follow these on regular basis, then you can get the desired traffic from the desired location you want to get.

SMO
Forum posting
Blog commenting
These are the techniques used to increase the traffic in a fastest way.

Blogging, Blog Commenting, Social media optimization and Article Submission are the best techniques in Off page that helps to drive the huge amount of traffic for a website.

There are other ways to find and meet influential people within your niche. Again, we consult the almighty Google! Search words like “write for us” “submit a guest post” or “guest post guidelines” (within quotations). Like I mentioned above use modifiers like + fitness or + personal development to narrow the search down.

The best ways to generate the traffic are as follows-
Broken links
Hidden links
Keyword stuffing
Footer links
link stuffing.

Fastest way to get traffic to a site is to share information on twitter, facebook, google plus, linkedin, etc sites as well as marketing through sms messages.

There are so many fastest ways which are helps to increase your website traffic like SMO(Social media optimization), PPC(Pay-Per-Click), Affiliate marketing and much more. Finally the choice is yours, which technique is useful for your website to increase website traffic.

SEO on your post Content.Massive backlinks from your keyword phrases.
Article Marketing using keyword phrases for you niche. Unique Article Wizard for submission.Press Release submission to 90 sites after you spin your PR.
The Best Spinner for spinning articles.
Just to mention a few.

SEO on your post Content.
Massive backlinks from your keyword phrases.
Article Marketing using keyword phrases for you niche. Unique Article Wizard for submission.
Press Release submission to 90 sites after you spin your PR.
The Best Spinner for spinning articles.

obviously the fastest way of generating traffic is create and manage a PPC campaign using google adwords. It will give you target audience to your site instantly but it is not a long marriage it will live with you till you have money . SEO is more effective and a long marriage but it need time can not get fast traffic but your waiting will not disappoint you . So choose your wife wisely ;)

the fastest ? PPC of course

I think there is no way to generate traffic in short period. Please don't waste your time. work on quality, work hard to achieve your goal. If you apply black hat seo technique this is useful for you for some days. after some days Google caught you and punish you then nothing left and waste time. so it's my pleasure to advice you work slowly and get better result.