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putting your finger first into your own anus and then into your companion's nose. (based on the "wet willie" paradigm. popularized by the cartoon show "spongebob squarepants", which consists of putting your finger first into your own mouth and then into your companion's ear)
"Eww! Yuk! Are you try'na pick my NOSE bro? Where's that finger been? In your ASS?"

"Yup! You just got a STINKY STU!"
by Mr. Bonangles June 05, 2012
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