16 and haven't had sex. i have this red, hard bump on the shaft of my penis and it hurts when i squeeze it. what could it be?

Here are some ...: Without further information, it's hard to offer accurate guess, but what described may represent the occurrence of an infected sebaceous cyst on a penis of light-colored skin so it appears as a hurting and red a bump. But squeezing itself may induce pain as well. To verify its truth, seek pro-evaluation with detailed Hx + physicals timely. Best wisher ...