Gray Wings 

To earn your Gray Wings, you must recieve pleasure from a woman of the age of 50+.

Man last night that hot old clerk down the street gave me my Gray Wings.

Gray Wings by thedude. June 26, 2006

Gray Wings 

After performing oral sex on a dead person, a person earns his/her (figurative) gray wings.

Person 1 - Dude! I got my gray wings!!
Person 2 - That's nasty as hell.

Gray Wings by Green_hen October 16, 2009