In Russian днo/bottom as slang means garbage if you use for a person/item/place.
see
https://en.wikipedia.org/wiki/The_Lower_Depths The Lower Depths (Russian: Ha днe, Na dne, literally: 'At the bottom') is perhaps the best known of Maxim Gorky's plays.
thank you very much for the information! to be honest, non russian speakers like myself always have a lttle bit problem with undersatnding what masterluc means!