priapism
🇺🇸
/ˈpraɪəpɪzəm/
🇬🇧
/ˈpraɪəpɪzəm/
A medical condition where a man's penis stays stiff and erect for a long time without being sexually excited.
The doctor diagnosed him with priapism after he complained about his penis being erect for several hours without any sexual stimulation.