From Wiktionary, the free dictionary
Baby talk.[1] Compare ちんぽ (chinpo), ちんこ (chinko).
ちんぽこ or チンポコ • (chinpoko)
- (euphemistic, childish) penis, weenie, cock
- Synonyms: see Thesaurus:陰茎
1977, Torii Kazuyoshi, Toiretto hakase [Toilet sage], volume 17, page 71:
- チンポコ小さいとやることも小さいちゃん
ほんとほんと- chinpoko chīsai to yaru koto mo chīsai chan
honto honto - His weenie is small and his experience is small
Yep, yep
- (Can we date this quote by 大橋裸木 and provide title, author’s full name, and other details?)
- ちんぽこに西瓜の雫たらして子の機嫌よし
- chinpoko ni suika no shizuku tarashite ko no kigen yoshi
- (please add an English translation of this example)