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Small brown balls found in the crotch area of a woman's panties. Formed by the amalgamation of the remanants of faecal matter, piss crystals and other vaginal discharge.
"I ate one of Carols Quilby Knots the other night, it looked and tasted a bit like a malteaser."

"Can you recommend a washing powder that will get rid of my Quilby Knots"
by Zombie_475 July 02, 2014
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