1.)The pusuit and/or bedding of a Cougar
2.)Women who are on the verge of being a Cougar. They lack some key element of being a Cougar (ex. Not quit old enough, or lacking the attitude of a cougar.)
"I'm all about the Cougins tonight."
She's a Coug-in. Give her another year or two and she'll be a full on COUGAR.