is a Japanese

Japanese language

is a language spoken by over 130 million people in Japan and in Japanese emigrant communities. It is a member of the Japonic language family, which has a number of proposed relationships with other languages, none of which has gained wide acceptance among historical linguists .Japanese is an...

 term for a sexual activity in which a woman consumes the semen

Semen

Semen is an organic fluid, also known as seminal fluid, that may contain spermatozoa. It is secreted by the gonads and other sexual organs of male or hermaphroditic animals and can fertilize female ova...

 of one or more men. It also refers to the sexual act of swallowing semen after performing fellatio

Fellatio

Fellatio is an act of oral stimulation of a male's penis by a sexual partner. It involves the stimulation of the penis by the use of the mouth, tongue, or throat. The person who performs fellatio can be referred to as the giving partner, and the other person is the receiving partner...

 or participating in a bukkake. Alternatively, the word can refer to the analogous practice of swallowing the suffusion

Female ejaculation

Female ejaculation refers to the expulsion of noticeable amounts of clear fluid by human females from the paraurethral ducts through and around the urethra during or before an orgasm...

 expelled by a woman at an orgasm, caused, for example, by cunnilingus

Cunnilingus

Cunnilingus is an oral sex act performed on a female. It involves the use by a sex partner of the mouth, lips and tongue to stimulate the female's clitoris, vulva, or vagina...

.

The word "gokkun" is an onomatopoeia, which translates into English

English language

English is a West Germanic language that arose in the Anglo-Saxon kingdoms of England and spread into what was to become south-east Scotland under the influence of the Anglian medieval kingdom of Northumbria...

as "gulp", the sound made by swallowing.