Top Definition
1. A person who, without a reasonable excuse, consumes an inordinately small amount of alcohol at a party

2. Someone who orphans their first and only beer, especially if he/she pretends to keep drinking throughout
Dude, I don't care about your Grandma's birthday party tomorrow, quit being a knibber and finish your beer!
by crowrawrr January 12, 2008
5 Words related to knibber

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