Wabler's definitions
The act of popping one's collar on a green polo shirt to indicate that sex is wanted or needed. One who greenlights is called a greenlighter. This act can be done and recieved by either sex toward's either sex, and that is also the risk one takes when popping one's collar. The origin of this trend is unkown, but it quite popular. (A google search of greenlighter will show you the forums and other sites linked to this trend)
by Wabler July 18, 2005
Get the greenlightingmug.