To feign empathy and/or compassion for a chick, often for a period of days or even weeks, who has recently had a girl-crisis in order to fuck her.
When a man is emotionally unavailable but sexually available to a girl who is going through a hard time.
Dave: Oh, sorry dude. Amy just broke up with her boyfreind and I'm giving her a penis to cry on.
John: Just make sure your intentions are clear enough so that shit doesn't back fire and you end up in the Freind Zone. (i.e. she understands that she will have to start putting out in order to continue to get the loving care she so desperately needs)