cesspool [noun] [C] - a large underground hole or container which is used for collecting and storing excrement, urine and dirty water(figurative) Saying that drug addicts are swirling around in a cesspit (= unpleasant situation) of their own making will not help solve the problem.
CESSPIT
Meaning of CESSPIT in English
Cambridge English vocab. Кембриджский английский словарь. 2012