Top Definition
The indubitable smell/mixture of beer, tobacco, and piss that transpires after a weekend of partying, like at the Okoboji Winter Games with the Beaver Retrievers.
Guy 1: (Just waking up) Oh wow, what the fuck happened last night?!

Guy 2: Well judging by the amount of beerbaccoiss, I'd say we drank a lot of beer, chewed a lot of tobacco, and pissed. In other words, it was one helluva time!
by beaver12 February 09, 2013

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