In a boy's / man's case, then nuts / balls, head or asshole.
In a girl's, / woman's case, that can be her titties / boobies, head, or asshole.
Synonyms for where it hurts
On this page, you will find 30 slang terms related to where it hurts. Some of the top words include: splooch, Guiche, Peenarse, Boolie, gash masher, and 25 more.