http://www.ehow.com/how_2058288_spot-cougar-bar.html
"You don't hunt the 'Coug', the 'Coug' hunts YOU!!!!" llool
if you listen to the Tom leykis show you know that cougars is term often used in his show.. and they talk about hot spots and what not..
As far as niche... cougar is often just refered to milf sponsors