to burp, fart, or perhaps shart (shit fart), and rub the gaseous scent or semi-liquid goo into someone's skin like foundation or blush.

- jennifer applied secret makeup to tony's leg while they were spooning last night.
by cantastical January 28, 2008
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to fart on someone and rub the smell into their cheeks like blush
He was turned on by secret makeup.
by AIRZLA January 25, 2008
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