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A large overhanging belly, found out on fat guys that is so large it actually covers up the nob.
"Jeez, he was so fat i couldn't see his nob for his nob curtain."
As an insult to friends: "Mate, look at the size of your nob curtain"
"Chris Moyles has got a massive nob curtain"
by twinkypie September 23, 2009
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