On the Grog Slang?

(Australian slang) Drinking alcoholic beverages to excess.

What does Grog mean in Australia?

Eventually in Australia and New Zealand the word grog came to be used as a slang collective term for alcohol, such as going to the "grog shop" to buy grog. ... The grog usually consists of various alcoholic beverages mixed together, unappealing to the taste, and contained in a toilet bowl.

What is a military Grog?

But make no mistake, this is probably the grossest tradition in military history. Grog is any variety of spirits mixed with water. ... This traditional event occurs at military balls and other dining events where random things are tossed into a punch bowl. Sometimes an unused toilet is substituted for a punch bowl.