A person of the respectable moral type. Has a good character and can be relied on to do the right thing.
Girl 1: "OMG
last weekend I got so trashed
when I was hanging out with Mike."
Girl 2:"OMG you didn't cheat on Jionni did you?"
Girl 1: "No, I wanted to but he was a stand up gentleman about it and just made sure I got home safe"