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.."
by Insesht September 13, 2011
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What a woman's vagina resembles when woken in the morning for sex and she is starting to get excited and wet. When you begin to separate the labia it is reminiscent of a warm grilled cheese sandwich being pulled apart.
"I woke my girl up this morning and tore into that grilled cheese."
by AlchlcSmnThrwr April 30, 2012
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One who fucks a pussy so fast that it gets hot. Then you place a slice of Kraft's Sliced Cheese on the pussy until it starts to melt. Then you eat it out.
This guy was a total perv last night, he tried the grilled cheese?
by brycestep April 29, 2009
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When you fuck your partner so hard and hot you end up swaping a lot of sweet and cum in the process. Perfect for cold weather.
It was reallly fucking cold but then I grilled cheese my GF and I feel so much better now.
by PuertoricanLion October 20, 2015
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Semen on teeth and face after performing oral sex.
person either sex performing fellatio on a male but
not swallowing, having semen on teeth and face (grille)
" Last night at my crib she had grille cheese."
by weasler February 21, 2006
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A sexual act where one ejaculates into another's butt crack, then pushes their cheeks together until they stick.
Bob: Jill is walking awkwardly. Did you put it in her butt?

Jim: Nah, I just gave her the ol' grilled cheese.
by ChickensWithDickens November 26, 2008
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