Any idea why tango.com redirects to Facebook.com/youvebeentangoed?

whois tango.com will tell you that it is owned by Britvic.

http://www.britvic.co.uk/

Britvic is a company that makes a drink called Tango.

http://www.britvic.co.uk/en/Our-brands/Tango/Tango-Orange.as...

You've been tangoed was part of a British TV campaign for the drink.

https://en.wikipedia.org/wiki/Tango_%28drink%29