Circumcision is a surgical procedure to remove the foreskin that covers the head (glans) of the penis. In some cultures people get this surgery shortly after birth. However, many people are uncircumcised or can get a circumcision during adulthood due to medical issues.
Sources:
https://www.healthline.com/health/mens-health/circumcised-vs-uncircumcised#size
Blue ball is when an erection lasts for a very long time without an orgasm. The medical term for blue balls is epididymal hypertension. It is uncomfortable but not serious and should be noted that it
Night fall is another name for wet dreams, which is when someone ejaculates due to sexual arousal while sleeping.
Celibacy is a vow to restrain sexual activities for a certain time or life long or until someone gets married. Celibacy has a different definition for different people. Some people refrain from just