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
Large cut Turf around the Lough Shore-Bigger than normal-technique introduced by Dutch man called Gogh who worked for bord na mona at the turn of the century. Cut big to suit the sponginess of the turf.