Here is mine.Anyone of your stories can beat mine I bet not.
Okay when I was in 9th grade my Biology class which was lecture classroom and not a lab.So my female biology teacher was explaining something on the board then we where about to do group work,so she told me to move my desk.She had an amazing body and dresses tight clothes that I see her breast,but she wasn’t to provocative that she shows her cleavage or stomach she just dressed tight like black and latino women especially tight jeans that show off her butt.So anyway when she told me to move the desk I stood up and straitened back and chest and that day I had PE so I wasn’t wearing jeans instead I was wearing sweatpants.So that made my erection visible. My erect penis(but fully clothed with boxers and sweat pants)over the desk and the whole class was laughing at me even the girls noticed and my response was what are you idiots laughing about and I didn’t know that I had an erection at that time.So I was told in PE by my best friend about it but before telling me he had asked do you have a crush on your biology teacher and I answered no why then he told me the story and also told me that he also got aroused by her.It was to the extend that he got a B- in the class while he is a straight A student.I was 15 back then but now Im 21.I became famous in high school for it.