1
penis
2
with a tinkle;with a jingle
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。
When it sets off the bell rings, "ding-ding". Thus 'ding-ding-train'.
3
with a whistle (of a kettle)
4
sitting up and begging (of a dog)
犬はちんちんをやめて四つ足に戻った。
The dog stopped begging and went back on all fours.
5
juvenile black porgy
See also:
黒鯛 (くろだい)
6
children's game in which one hops on one foot
See also:
ちんちんもがもが
7
very hot (e.g. of tea)
Aichi dialect
8
flirting;fondling
See also:
ちんちんかもかも
9
jealousy