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1.
Similar to bukkake (which involves often a chick or sometimes two being ejaculated on repeatedly in succession by a series of guys - usually on the face or ass), gukkon involves multiple ejaculation directly into the mouth and generally followed by a large gulping or swallowing. "Gukkon" is an onomatopoeia, translated into English as "gulp" and is the sound made when downing a mouthful of cum
"Hey man did you check out that new bukkake movie?"
"nah, i'm into the gukkon shit. Its so hot when they swallow 20 guys' loads at once"
by bukkakeman123 June 04, 2007