I am curious to know what stale beer really tastes like. For me I can read about what certain off flavors are supposed to taste like. However, taste and flavor can be so subjective its hard to really now until someone says; "Here, this is really stale."
So I was wondering if anyone knew the best way to maybe force stale a beer in a closed bottle? Or how best to doctor a beer to get it to stale after opening? What is stale beer supposed to taste like?
EDIT: Are there any BJCP instructors on-line here that can speak to how the BJCP trains judges to pick out oxidation?