Top definition
An acronym standing for Fucking Ugly Pilgrim Boy. A stronger version of UPB. Can be used as an adjective or a noun.
1. That fupb bish stole my channel, now cc!

2. Mollypop is a fupb no life pedo!

3. She is fupb.
by Dokochu and Linachan October 04, 2009
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