Guy drama/ friend drama?

Okay yesterday my friend stole my phone and texted one of the guys from our class and told him I wanted to date Him which of course didn’t cause he’s just a friend to me. So anyway of course he was thinking I was the one text him but wasn’t. So after I got hold of my phone I told him it wasn’t me and I was sorry for what had happened 😬. He understood and we were fine but my friends keep on saying jokes and how “ we only dated “ for two minutes . It just really getting on my nerves and I really want to stop .any suggestions?