Guns N' Roses partied pretty hard in their heyday, so it makes sense they'd know the craziest drinking games -- case in point, something called "Wear the Lamp Shade" as explained to us by former dummer Matt Sorum.
Sorum -- who banged the buckets in GNR for a better part of the 90s -- was walking his dogs in Studio City Wednesday when our photog got him talking about games the band played on the road ... and one in particular was quite simply ... enlightening?
It involves booze (obviously), a hotel room (of course), naked girls (how could it not) and ... (drum roll) ... a lamp shade -- we'll let the video explain the rest.
"Wear the Lamp Shade" ... GNR tested, Brick Tamland approved.
The other original members of Guns N' Roses -- Slash, Duff and Steven Adler -- didn't let Axl Rose's boycott of the Rock and Roll Hall of Fame keep them from performing some of GNR's greatest hits this weekend ... they just used a different singer.
The band hit the stage with Myles Kennedy on lead vocals ... busting out hits like "Sweet Child O' Mine" and "Paradise City."
FYI -- Myles was the singer on Slash's solo album ... and also fronts the band Alter Bridge.
A judge already ruled that Axl owns the name Guns N' Roses ... and he still tours under the the GNR banner ... but who DESERVES the title? Axl and his band ... or Slash, Duff, Steven and the replacement?
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