A slang word meaning 'anus', poohouse is a somewhat less graphic version of the word 'shithouse'. Used chiefly in Wigan - and was probably invented there
Adj. Something that is expected to have a long lifespan by virtue of having existed for a long time, based on the lindy effect, named for the New York restaurant Lindy's, coined by Albert Goldman and popularized by NassimTaleb.