The infamous Ralphs grocery store on Sunset Blvd. in Hollywood, California. Notorious for being packed around 2 to 3 AM after the clubs close, with drunken people trying to buy liquor for after-hours parties.

The scene of many alcohol-induced collapses and vomitings.

So named not only for it's late-night debauchery, but also it's proximity to Guitar Center, and the other music stores nearby on Sunset Blvd.
"Dude, was that What's-Her-Name from that sitcom puking all over the cashier at Rock & Roll Ralphs?"
by Mr. Body June 29, 2008
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