The economics of getting drunk. Usually used in financial terms to calculate the most efficient way of getting drunk. It can also be applied, although this is a much rarer usage, to the supply of alcohol available or the demand for it.
Friend 1 - "The six pack of bavaria is better drunkenomics than going for a naggin"
Friend 2 - "True. In absolute drunkenomic terms the six pack is better as it has 130ml of ethanol compared to the 80ml in the naggin, but in relative drunkenomic terms the naggin wins cos it will get you fucked up quicker"
"Dude, everyone is drinking expensive beer here, the drunkenomics is awful"