I've noticed that in Orthodox shuls, it's common for men to drink alcohol (such as a shot of scotch or vodka or perhaps a liqueur), other than just kiddush wine, especially after Shacharis on Shabbos. However, I've never seen women doing this (or even drinking shots on Purim, for that matter). Why is this? Is there a source in halacha against women drinking alcohol in public? Is it just assumed to be contrary to modesty? Or is it just that, in American culture, women don't tend to (or are not expected to) like hard liquor by itself?
There are plenty of shules where women drink alcohol and there are plenty of shules where alcohol is not publicly on display.
This is purely sociological.