Semen which, when ejaculated from the male erotic organ, is extremely "murky", "thick", or "chunky"; appearing to have the consistency of "Grilled Cheese."
Often used in conjunction with the words "sandwich", "party", or "adventure", it first appeared in modern literature around 325 AD during the Council of Nicaea when St. Alexander of Alexandria remarked to then Emperor, Constantine, that "Thine sinful Arians hast befouled our church in a manner which resembles the dripping of *grilled cheese* upon the forehead of a young concubine."
"That grilled cheese was Awesome."
He smothered her with copious amounts of grilled cheese.
"Your hands smell like grilled cheese.."