Corona, it's a lager and a nice one too.
The lime is supposedly to keep flies away from the bottle (originally, anyway).
Lies.
"The reason for the lime is that hop compounds degrade when they come into contact with light. This causes beer in clear bottles to turn 'skunky.' The lime is used to mask this aroma." Original source can be found on Wikipedia (of course).
So basicaly it's ment to be rank.
corona and lime would be my guess