Apparently the citric acid breaks down the alcohol in your stomach.
Either that or it makes you so ill you puke the alcohol up.
(
dogsbollocks,
Sat 13 Mar 2004, 9:51,
archived)
I don't think there's any more
to puke up. It belongs to the drains now.
(
McChaff,
Sat 13 Mar 2004, 9:51,
archived)