I was 13, at the public swimming pool, playing around with some friends. I was floating in a corner of the pool when a guy from school came over and trapped me in the corner. He moved in close, and I looked at his mouth, his broken front tooth, then suddenly, he kissed me! Just a soft press of lips, but I looked at him with disgust, splashed him, and swam away.
We never spoke of it again, but I felt violated, I didn't want to kiss him, and I barely knew him...
In hindsight, I guess he must have liked me but never said so or indicated it at all...or maybe, he just saw his chance to trap me in a corner and steal the kiss!