How to say "penis" in Japanese
- nounA childish, nursery-style word for the penis, the kind children and parents use. It suits casual family or child-directed contexts, not formal or medical ones.
- 息子むすこnounLiterally 'son', but a colloquial slang way to refer to the penis. Because it is really the word for 'son', the meaning is understood only from context and the tone is informal.
For 'penis', choose 「ちんちん」 for a childish, nursery-style word, and 息子 only as colloquial slang — remember it literally means 'son', so it is informal and context-dependent.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


