1. Noun

   penis

   Children's language

   動き出すとき、ベルが「ちんちん」と鳴る。だから、ちんちん電車。

2. Adverb (fukushi), Adverb taking the 'to' particle

   with a tinkle; with a jingle

   Onomatopoeic or mimetic word

3. with a whistle (of a kettle)

   Onomatopoeic or mimetic word

4. Noun, Suru verb, Intransitive verb

   sitting up and begging (of a dog)

5. Noun

   juvenile black porgy

   Kantou dialectsee クロダイ

6. children's game in which one hops on one foot

   see ちんちんもがもが

7. Na-adjective (keiyodoshi)

   very hot (e.g. of tea)

   Aichi dialect

8. Noun

   flirting; fondling

   Obsolete termsee ちんちんかもかも

9. jealousy

   Obsolete term

Also written チンチンchinchin