It happened when I (male) was 20. Back then, I still did nothing with girls beyond a shoulders-only hug. Until one weekend, when I visited a friend at another college. At one point when we were out, I started dancing with a girl I just met; she was being disproportionately affectionate with me. Despite being drunk as hell, I was in heaven. Next thing I knew, I felt her tongue in my mouth. There and then, I felt a flash of light on my retinas, and I was close to passing out. I don't know how, but I managed to stay on my feet, We made out for what must have been 20 minutes. Suddenly, she said something with the words "my friends" in the sentence, gave me a sloppy hug, and ran off. I was left standing shellshocked right there in the middle of the dance floor.
Minutes later, my friend yanked me by the wrist and shouted: "let's go outside, man, you need fresh air". We left the bar/club (I'm still not sure what that place was). I was still disoriented; I kept seeing choppy visions of passing cars, tunnel-like rows of streetlights extending into the distance, and trees towering over the sidewalk. We stopped at a 24-hour pizza place. I wolfed down a calzone and chugged a Coke like I haven't eaten in days.
To this day, I still don't don't know her name, and have no idea what prompted her to make out with me like that. While I look halfway decent now, and even borderline handsome at times, I wasn't good-looking at all when I was 20. To this day, it was still one of my best kisses.