Irish slang meaning 'drink', as in alcoholic beverages. Comes from Shelta, the language of the Irish travellers, from 'gaather' meaning 'drink'.
More commonly heard in the South-West.
"Any gat?"
"On the gat tonight?"
"Killin' the gat."
"Up for the gat."
"I think I might have a gat problem."
"Gat-Gluttons Anonymous."
