What is Belly Button Fluff?
1.
the fluff that gets stuck in your belly button, usually yellow or blue,.. rarely red but is possible.. if you don't clean it out with a cotton bud, it stinks!and turns black and gets sticky
emily: did you see jennie's belly button fluff it's the colour of her jumper!
See 
Random Words:
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n. when you're taking a huge dump and some of the liquid in the toilet splashes back up onto your ass
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Your cock, willy, dick, penis, mr. wiggly, the one-eyed snake, big bad biff the baby butcher!
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