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Refering to an insanely erect male penis!!
I had an absolute stonk on!! It was uncontrolable!!
by Genoa II November 22, 2007
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2
An insanely hard morning wood that won't go down
Sharpie - "Oi wid I had a right stonk on this morning"

Wid- "Nah that's a walnut no wonder she won't put out"
by Sharpie&Wid February 26, 2018
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