Aussie slang for a glass of beer.

To make it more Aussie, “glass sanga” is more than acceptable

Source: The Betoota Advocate
"Yeah, that's a wrap," explained one local man ordering a delicious looking glass sandwich.
by Jimmy james perth boy December 1, 2019
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a woman becomes very angry at her boyfriend. and right befor her next blow job she puts shards of glass in her mouth creating the worst blowjob experience of his life. but many do it because they actually enjoy it
"if i catch you with her again its gonna be glass sandwich for you mister"
by Doug Grafton March 17, 2007
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