Frenuloplasty of prepuce of penis
A frenuloplasty of prepuce of penis (also known as a release of frenulum) is a frenuloplasty of the frenulum of prepuce of penis. An abnormally short or sensitive frenulum of the penis can make some types of sexual activity uncomfortable or even painful.
Source: Wikipedia — Frenuloplasty of prepuce of penis (CC BY-SA 4.0)