grog monster 

An alchoholic.
*From grog, the old British Naval word for rum*

Look at him, he's a turning into a right old grog monster.

grog monster by dvarpala June 15, 2004

Grog monster 

A person who is obsessed with alcoholic beverages and craves the feeling of being drunk.

“I once saw a sexy little readhead, I asked for his name. He responded chrissy. I was keen on a root until I seen he was a grog monster”

Grog monster by 111-… March 3, 2022