A laddy
A laddy is a guy who is cool, nice, and kind of lovable. He's the type of guy who would hug you and then say 'you're a laddy' right in your face.
Hey, you're a laddy! Why are you eating my sandwich?
You're a laddy! You just said 'you're a laddy' to me!
You're a laddy! You're still a laddy!