Translation guide
Describing or referring to a small penis in Japanese, ranging from clinical terms to slang and euphemisms.
To refer to a small penis in a medical or formal context.
Medical term for micropenis or abnormally small penis. Used in clinical settings.
小陰茎症と診断された。
He was diagnosed with micropenis.
To insult or joke about someone having a small penis.
Literally 'short and small'. Common slang for a small penis, often used in derogatory contexts.
あいつは短小だって噂だよ。
Rumor has it he's got a small dick.
Abbreviation of 粗末なチンコ (shabby penis). Crude slang.
粗チンは黙ってろ。
Shut up, small dick.
Direct, childish way to say 'small penis'. Can be used jokingly or insultingly.
彼はちんちんが小さいから自信がないんだって。
He says he has no confidence because his dick is small.
To refer to a small penis indirectly or humorously.
Means 'small-sized' or 'petite'. Can be used euphemistically for a small penis without being too crude.
彼のはちょっと小ぶりだけど、気にしないよ。
His is a bit on the small side, but I don't mind.
Literally 'bean penis'. Humorous slang for a very small penis.
豆チンって言われたことある？
Have you ever been called a bean dick?
To talk about one's own small penis in a self-deprecating or humorous way.
Means 'phimosis', but often used jokingly to imply a small penis, as the two are culturally associated.
俺、包茎だし、サイズも小さいし…
I've got phimosis and I'm small too...
Literally 'Sorry for being small'. A self-deprecating phrase used jokingly.
小さくてごめんね。
Sorry it's small.
Directly saying 小さいペニス (chiisai penisu) sounds unnatural and overly clinical. Use slang or euphemisms in casual contexts.