Top definition
In a pornographic film, the expression of feigned astonishment on the face of the actress upon seeing her co-star's penis. Taken from the iconographic poster for the 1990 movie Home Alone, which features actor Macaulay Culkin with hands raised to his face and mouth open in disbelief.
"Oh my God," exclaimed Alexis, affecting her best Home Alone face, "It's so BIG!"
by snotfistthedickish September 04, 2011
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