Big Silver 

Being really big and really awesome, like silver lining in a cloud

Wow! Did you see that goal? That was a big silver goal

Big Silver by bowzer55 April 26, 2009

The Big Silver Bird

The sexual act of sitting your partner in a high chair with a bib on, pulling your scrotum out flat either side of your erection like wings, and flying the "aeroplane" into their mouth

Dude the misso was being a sook the other night so i gave her the big silver bird

Hahah really?

Yeah man, noises and all. Was a pretty rough landing though

The Big Silver Bird by H4949 June 1, 2016