Definition of stupor for English Language Learners. : a condition in which someone is not able to think normally because of being drunk, drugged, tired, etc.
It stands for India Pale Ale. IPA is a version of Pale Ale, which is beer brewed with pale colored malt, and typically more hops for a sharp, clean bitter taste.
India Pale Ale from Fuller's Brewery. India pale ale (IPA) is a hoppy beer style within the broader category of pale ale. The first known use of the term India pale ale is an advertisement in the Sydney Gazette and New South Wales Advertiser in 1829.