Jisho

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にょうどうきゅうせんえき 尿道球腺液
Noun
1. pre-ejaculate; Cowper's fluid; pre-cum
Wikipedia definition
2. Pre-ejaculatePre-ejaculate (also known as pre-ejaculatory fluid, preseminal fluid, or Cowper's fluid, and colloquially as pre-cum) is the clear, colorless, viscous fluid that emits from the urethra of a man's penis when he is sexually aroused. It is similar in composition to semen, but has some significant chemical differences. The presence of sperm in the fluid is debated.
Read “Pre-ejaculate” on English Wikipedia
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