Last Updated：2025/11/20

(vulgar, slang) Sweat, smegma, or semen found on or around the penis, testicles, or perineum.

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duck butter

Source Word

duck butter

slang uncountable vulgar

(vulgar, slang) Sweat, smegma, or semen found on or around the penis, testicles, or perineum.

Japanese Meaning

男性の陰茎、精巣、または会陰の周辺に付着する汗、包茎垢、または精液を指す下品な俗語

After going a week without showering, he noticed duck butter around his underwear and felt embarrassed.

一週間もシャワーを浴びていなかったため、彼は下着の周りに陰部の垢（汗や包皮垢、精液）が付いているのに気づき、恥ずかしく思った。

Sense（1）

(vulgar, slang) Sweat, smegma, or semen found on or around the penis, testicles, or perineum.

For quotations using this term, see Citations:duck butter.