I was sitting in class and a very attactive polish girl was sitting right next to me but a little behind me. She was very close when she had her legs crossed, so close tha it was about touching my leg. About 40 minutes into class or so, i start to hear a moaning sound. The class is pretty big and the professor talks loud,but it was very distinctive. I started lauging to myself thinking i was hearing things and kinda looked back at her. She was playing with somethig by her waist the whole time, i have no clue what it was look like draw string of some sort. We take a break and come back into class,and then i start hearing the same noises again but a little softer this time. I didnt do anything, cause i didnt know what to do,but this was a very weird experience.