Green’s Dictionary of Slang

packy n.2

also packie
[abbr. SE package store, the merchandise is packed up to take away]

1. (US) a liquor store.

[US]G.V. Higgins Digger’s Game (1981) 160: I stopped at a packy and I bought three quarts of Beefeaters.
Online Sl. Dict. 🌐 packie n 1. a liquor store. (‘On your way back from the beach, swing by the packie and get some beer.’).
[US]Da Bomb 🌐 21: Packy: Liquor store; package store. I’m going to the packy. Want anything?
(con. early 1970s) A. Dubus III Townie 54: [W]e ran past a packy and its lighted beer signs, bright blue and red neon slashing into my brain .

2. (US) a convenience store.

[US]T. Robinson Hard Bounce [ebook] [We] picked up a couple grinders at an all-night packie [ibid.] Junior was kind enough to go get at the packie for her.