Top definition
The Grunyon is a mythical late-night after-party spot located somewhere in Chicago, Il. Only reachable in the extreme stages of a hard brownout or blackout stupor, patrons of the Grunyon are hard-pressed to recall concrete details, but always report continued heavy drinking, cigarettes and Mexican food.
Q: What happened to you last night after the bar closed? We all left and you disappeared?

A: I went to the Grunyon.
by bworlick June 05, 2006
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2
A Pack of Eagleyphortes
My grunyon got attacked by my fleebarb.
by Spooleymcham November 21, 2004
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