look up any word, like usuratonkachi:
 
2.
To have sexy time in the back of your friends car with your girlfriend while they aren't there or are driving it and leaving your "splooge" on there seats where it can't be washed off.
Greg silver stained Zachs car while having sex with his bitch.

Alex says "Greg you better not silver stain back there".
by Greg Zilberman February 18, 2007
 
1.
To have sexy time in the back of your friends car with your girlfriend while they aren't there or are driving it and leaving your "splooge" on there seats where it can't be washed off.
Greg silver stained Zachs car while having sex with his bitch.

Alex says "Greg you better not silver stain back there".
by Greg Zilberman February 19, 2007