Slang term used to describe a person (usually male) who partakes in massive quantities of alcohol consumption. Not to be confused with drunks and alcoholics. Generally a person of slightly classier and/or professional nature, but definitely not a wine taster; could be a wine guzzler.
"Aaron, toggies pay for their OWN booze."
"If I had more money, I'd stop bein' a worthless toggy, an' get some real pricey hootch."