Help with a boy through snapchat!

Megan
So I just met a guy at a school dance. I lost my friends and I was looking for them but I was still dancing and I turn around and I made eye contact with him. He asked me if I wanted to dance and I said "yes." We talked a lil bit but the music was loud but the dances were really nice. He then said "it was really nice to meet you can I have your snapchat?" And I gave it to him. After the dance, he sent me a video of him on the party bus going home and it captioned "streaks." I replied with "oh so you want to have a streak now?" And he said "hell yeah I do!" Well yesterday I sent him something and he left me on read the entire day until I sent him something later that night. And I sent him "morning streaks" this morning and he left me on read. What dows this mean and how can I get him to respond?