1 definition by Putzmeister

An abbreviation for; You Big Nut.

Noun, Slang.

1. A term used to describe someone who is clumsy, off-kilter, or somewhat foolish.
On their way to lunch...

Mr. Valentine: Mr. Malchow, I think I forgot my wallet at the office.

Mr. Malchow: Well, why'd you do that YBN?

Mr. Valentine: Because I'm a big nut.
by Putzmeister May 9, 2016
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