(to bring) Sexy Back.
A phrase used to describe something as really hot/cool/now/fly/happening/trendy, or something which has become cool due to one bring sexy back to it.
Man did you heard 'Promiscuous Girl'? Nelly Furtado has brought sexy back!!!
Damn I own at Miss. Pacman. I'm bringing sexy back to the arcade!
You seen the new Aston DB9. That car is bringing sexy back!