A rather
potent alcoholic mixture. Its "official" components are disputed in every
bar that creates them, but they
universally contain
Blue Curaçao which gives them their
green colouring.
The version this author was introduced to is
1/2 pint of lager
1/2 pint of cider
1 shot of Blue Curaçao (bols blue for instance)
but other versions include
1/2 pint Cider
1/2 pint Lager
1 shot Blue Curaçao
2 shots Tequila
2 shots Vodka
And yes, the other theme in the Green Monster is that they are all essentially snakebites with a monster kick.