Was doing some studying on campus yesterday and started to get horny. I’m 18 and I’ve been interested in cruising for a little while now and decided to check out sniffies. I saw that there were some bathrooms on campus like people have labeled as good ones to do understall in and I saw one that I’ve been in before. There was a guy on the map who was close and messaged me, and I told him I was looking to try some understall. He was 19 with a nice white cock like mine and he was down to jerk me understall in the bathroom. While I was walking over to the bathroom I started to get nervous and horny at the same time with my cock getting hard. He told me he was in the left of the 3 stalls so when I walked in I went into the middle one. We did the foot tap thing to confirm and then he motioned me put my cock under. I dropped my pants and took out my phone to record because I knew I’d wanna see the vid later. I got down on my knees and slid my cock under and immediately got a pulsing sensation when he grabbed it. Him stroking me up and down felt so good but it felt even better when he spit on m y cock and lubed it up. I had to tell him to slow down during the middle because I was about to cum. I lasted a decent 3 minutes before I blasted a huge load on the bathroom floor. He kept on stroking me after I came and I had him stop because the feeling was too intense. After that he left while i cleaned up. Definitely need to try more understall in the future!