Kerry Slang Terms, Expressions, & Irish Spoken Language - Irish Phrases
When you don't think things are going to go your way
When something has gone bad, or not in ur favour
Being weak
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