Top Definition
Visable collection of navel (belly button) fluff. Usually created by the coming together of a natural fibres (such as wool) and a large sweaty belly.
My, you've got a lot of bulff in there, that's disgusting.

#navel #fluff #belly button #bulf #navel lint
ayon kay David Bower ika-14 ng Abril, 2008
5 Words related to Bulff
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