A word used by jealous partners when they want to mockingly ask if their partner is being in some way emotionally unfaithful in their interest in another person. Because it sounds jokey it allows them to express their jealousy without being accused of being weirdly clingy.
GF: Steve is really funny, don't you think?
BF: Oh I get it. You lurve him, don't you.
GF: (laughing) what, no! He's a friend.
BF: Yeh you totally lurve him.