noun
Cowper's fluid; pre-ejaculate; pre-cum
Medical and colloquial term for the clear fluid released from the Cowper's glands before ejaculation. カウパー液 is the standard Japanese term; pre-cum is a vulgar English equivalent.
カウパー液は尿道を中和する役割がある。
Cowper's fluid serves to neutralize the urethra.
カウパー液が出るのは自然なことだ。
It is natural for pre-ejaculate to be released.