To say that someone "can't drink fog" is to say they're a lightweight at drinking.
It's history comes from many a Kerry man who has emerged from a pub after many pints, is suddenly hit by the air and immediately feels more drunk
A kitchen utensil used to chastise Irish children with pre 1990s. Not quite as bad what the catholic church did to children, but an extension of the acceptable level of abuse inflicted on children in those days.
