gin's piss

(Australia, slang) Poor quality beer.

September 29, 1998, AG, “A Winnah-Beck's Bier, Pretzels and Pinball!”, in rec.games.pinball, Usenet:

As we Aussies would say a seppo beer like Coors tastes like gin's piss (you don't wanna know!) compared to ours - would you like some beer with your rocky mountain water!

October 28, 2002, tediboy, “Labatt Blue vs. Molson Canadian”, in alt.beer, Usenet:

Both sound like some sort of Canadian/North American gin's piss but I believe they are reasonable facsimiles of beer as we know it in the Antipodes, so I definitely would go the nearest.

July 25, 2004, Teotwawki, “Titles for Scurvy's Life Story”, in alt.music.deep-purple, Usenet:

but he wears a nice hat tho, for whatever that's worth.

a flagon of drunken gin′s piss p'raps ?