I’m not sure what it means emotionally for either of you. I do think you need to be careful though. Becoming too intimate too quickly can spoil a blossoming relationship.
I don’t know how old you are, but I hope you’re old enough to understand you don’t have to kiss a guy just because he thinks it is a good idea.
If he lives across the street, you don’t want him putting the hard word on you all the time. Make sure you’re confident to say ‘no’ ... as many times as it takes to have him treat you with respect.
I’ve known way too many guys over the years who are just racing to get physical. A kiss is nice, but the pressure to keep kissing leads to pressure to do more.
So you ask me ‘What does it mean?’ I don’t know the guy, but I suspect it means he’s just after physical contact. If he were after ‘romance’ or a proper girlfriend, I’d expect him to be treating you with respect. Asking you out, trying to be helpful, all those kind of things.