Slang for heroin. In the same vein as nose beers and throat rack.
Apparently everyone knew he was on the nod.

They should have called him Philip See-More Arm Beers am I right?!?!

Don't speak ill of the dead
by badforya March 3, 2021
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The fatigue that occurs when holding a full beverage for too long.
Man, I got a bad case of beer arm at that barbeque this weekend
by Long John Pilfers June 21, 2011
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