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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When old skin folds together mixed with greasy vaginal discharge
An old woman's clitoris is grilled cheese.
by Paul_le_Hooker December 1, 2005
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Yeah dude, she had mad sunburn so I gave her the ole' cheese sandwich.
by ? October 9, 2003
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were gonna go do grilled cheese in the woods.
don't forget your plate.
by adam March 28, 2005
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refering to a woman's vagina
the morning after sex, playing with her pussy, was like trying to open a grilled cheese sandwich
by Gators #1 September 11, 2009
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