drown the shamrock
slang To drink alcohol on St. Patrick's Day. Make sure you wear green when we go to drown the shamrock tomorrow night.
drown the shamrock
drink, or go drinking on St Patrick's day. The shamrock with its three-lobed leaves was said to have been used by St Patrick, the patron saint of Ireland, to illustrate the doctrine of the Trinity. It is now used as the national emblem of Ireland.