'The banjo string is a piece of connective tissue that is pretty resilient so only tears under pressure, and the usual cause is rough sex or masturbation, although there are others. 'It can be very painful and can bleed at the time. ... 'The scar tissue can tear again especially if you try and have sex too soon. '

What happens when you snap your banjo string breaks?

You may feel a dull, aching pain for a few days afterward as the injury heals. Depending on how severe the tear is, this pain may last for a week or so as the tissues heal themselves. If the injury becomes infected, your symptoms may worsen and go on to include unusual penile discharge, foul odor, and fever.

What is snapping the banjo string?

The small tag of skin on the underside of your penis, between your foreskin and the shaft of your penis, is called the frenulum or banjo string. The frenulum is sometimes tight and can tear, usually during sex. Sometimes, the tear may not heal properly and your penis may become torn again in the same place.