When you drink too many cans or lager/ale over a few days, resulting in a sore and cracked upper lip.
Man 1: 'Alright mate, your lip looks a bit sore.'
Man 2: 'Yeah man, been at a festival all weekend drinking out of them cans, got proper bad can rash.'
Man 2: 'Yeah man, been at a festival all weekend drinking out of them cans, got proper bad can rash.'
by yerkshirelad June 23, 2015
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Can Rash • can • can't • can of worms • can of whoopass • Can Opener • can I get a piece • can you dig it • Can man • can of corn