A women that is easy, she will put out without much effort. Usually found at parties looking to sleep with a playboy aka ladies man. Positively correlates with drunkenness: the more drunk the girls are, the more easy beasies there are.
Travis: I just slept with an easy beasey last night.
Josh: Nice, how was it?
Travis: lets just say she was a easy beasey double please me
Josh: Wow! Very nice, are we going to go looking for easy beasies tonight?
Travis: Yea lets go to the house I went to last night they are crawling with them.